Add FINDFILTER⸺ variables

[Shushe] / GNUmakefile

diff --git a/GNUmakefile b/GNUmakefile
index 5b341d69e59d1cc8a2c532f86c0af101c63a3bb8..a9cf3b803a28e6a83e53ae4d7f9a4fdba3dd6c8e 100644 (file)
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2023, 2024 Lady <https://www.ladys.computer/about/#lady>
+# SPDX-FileCopyrightText: 2023, 2024, 2025 Lady <https://www.ladys.computer/about/#lady>

 # SPDX-License-Identifier: MPL-2.0
 
 SHELL = /bin/sh
 # SPDX-License-Identifier: MPL-2.0
 
 SHELL = /bin/sh


@@ -6,44 +6,43 @@ SHELL = /bin/sh
 # ━ § BASIC INFORMATION ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 override define makefileinfo
  ╭────────────────────────────╮
 # ━ § BASIC INFORMATION ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 override define makefileinfo
  ╭────────────────────────────╮

-╔╡ ⁌ ⛩️📰 书社 ∷ GNUmakefile ╞═════════════════════════════════╗
+╔╡ ⁌ ⛩📰 书社 ∷ GNUmakefile ╞═════════════════════════════════╗

 ║╰────────────────────────────╯                                ║
 ╟┬ ¶ Prerequisites ───────────────────────────────────────────┬╢
 ║│                                                            │║
 ║╰────────────────────────────╯                                ║
 ╟┬ ¶ Prerequisites ───────────────────────────────────────────┬╢
 ║│                                                            │║

-║│ Requires G·N·U Make, at least version 3.81, a version of   │║
-║│ uuencode with base64 support, and the various programs     │║
-║│ offered by libxml2 and libxslt. Beyond this, only programs │║
-║│ required by Posix are required, altho there is a chance of │║
-║│ version incompatibilities. The full list of program        │║
+║│ Requires G·N·U Make, at least version 3.81, the Fine Free  │║
+║│ File Command, and the various programs packaged with       │║
+║│ libxml2 and libxslt. Beyond this, only programs specified  │║
+║│ by Posix are required. The full list of program            │║

 ║│ requirements is as follows :—                             │║
 ║│                                                            │║
 ║│ • awk                                                      │║
 ║│ • cat                                                      │║
 ║│ requirements is as follows :—                             │║
 ║│                                                            │║
 ║│ • awk                                                      │║
 ║│ • cat                                                      │║

+║│ • cd                                                       │║

 ║│ • cksum                                                    │║
 ║│ • cp                                                       │║
 ║│ • date                                                     │║
 ║│ • cksum                                                    │║
 ║│ • cp                                                       │║
 ║│ • date                                                     │║

-║│ • echo                                                     │║
-║│ • file                                                     │║
+║│ • diff (with -u)                                           │║
+║│ • file (specifically the Fine Free File Command)           │║

 ║│ • find                                                     │║
 ║│ • grep                                                     │║
 ║│ • git (optional)                                           │║
 ║│ • ln                                                       │║
 ║│ • find                                                     │║
 ║│ • grep                                                     │║
 ║│ • git (optional)                                           │║
 ║│ • ln                                                       │║

-║│ • ls                                                       │║
+║│ • make (specifically G·N·U Make, version 3.81 or later)    │║

 ║│ • mkdir                                                    │║
 ║│ • mv                                                       │║
 ║│ • od                                                       │║
 ║│ • mkdir                                                    │║
 ║│ • mv                                                       │║
 ║│ • od                                                       │║

-║│ • pax (only when generating archives)                      │║
+║│ • pax (ustar format, when generating archives)             │║

 ║│ • printf                                                   │║
 ║│ • rm                                                       │║
 ║│ • sed                                                      │║
 ║│ • sleep                                                    │║
 ║│ • printf                                                   │║
 ║│ • rm                                                       │║
 ║│ • sed                                                      │║
 ║│ • sleep                                                    │║

-║│ • stat                                                     │║

 ║│ • test                                                     │║
 ║│ • touch                                                    │║
 ║│ • tr                                                       │║
 ║│ • uuencode                                                 │║
 ║│ • uudecode                                                 │║
 ║│ • test                                                     │║
 ║│ • touch                                                    │║
 ║│ • tr                                                       │║
 ║│ • uuencode                                                 │║
 ║│ • uudecode                                                 │║

-║│ • xargs (requires support for `-0´)                        │║
+║│ • xargs                                                    │║

 ║│ • xmlcatalog (provided by libxml2)                         │║
 ║│ • xmllint (provided by libxml2)                            │║
 ║│ • xsltproc (provided by libxslt)                           │║
 ║│ • xmlcatalog (provided by libxml2)                         │║
 ║│ • xmllint (provided by libxml2)                            │║
 ║│ • xsltproc (provided by libxslt)                           │║


@@ -84,7 +83,7 @@ override define makefileinfo
 ║╰────────────────────────────────────────────────────────────╯║
 ╟┬ ¶ Copyright & License ─────────────────────────────────────┬╢
 ║│                                                            │║
 ║╰────────────────────────────────────────────────────────────╯║
 ╟┬ ¶ Copyright & License ─────────────────────────────────────┬╢
 ║│                                                            │║

-║│ Copyright © 2023–2024 Lady [@ Lady’s Computer].            │║
+║│ Copyright © 2023–2024 Lady [@ Ladys Computer].             │║

 ║│                                                            │║
 ║│ This Source Code Form is subject to the terms of the       │║
 ║│ Mozilla Public License, v 2.0. If a copy of the M·P·L was  │║
 ║│                                                            │║
 ║│ This Source Code Form is subject to the terms of the       │║
 ║│ Mozilla Public License, v 2.0. If a copy of the M·P·L was  │║


@@ -101,16 +100,16 @@ endef
 # If these are not installed on your computer, or you need to use a different implementation, you can override the appropriate variable.
 AWK := awk
 CAT := cat
 # If these are not installed on your computer, or you need to use a different implementation, you can override the appropriate variable.
 AWK := awk
 CAT := cat

+CD := cd

 CKSUM := cksum
 CP := cp
 DATE := date
 CKSUM := cksum
 CP := cp
 DATE := date

-ECHO := echo
+DIFF := diff

 FILE := file
 FIND := find
 GIT := git
 GREP := grep
 LN := ln
 FILE := file
 FIND := find
 GIT := git
 GREP := grep
 LN := ln

-LS := ls

 MKDIR := mkdir
 MV := mv
 OD := od
 MKDIR := mkdir
 MV := mv
 OD := od


@@ -119,7 +118,6 @@ PRINTF := printf
 RM := rm
 SED := sed
 SLEEP := sleep
 RM := rm
 SED := sed
 SLEEP := sleep

-STAT := stat

 TEST := test
 TOUCH := touch
 TR := tr
 TEST := test
 TOUCH := touch
 TR := tr


@@ -151,11 +149,21 @@ SRCDIR := sources
 # Multiple directories can be given so long as files with the same name do not exist in each.
 #
 # These can be inside of `SRCDIR´ directories if desired.
 # Multiple directories can be given so long as files with the same name do not exist in each.
 #
 # These can be inside of `SRCDIR´ directories if desired.

-INCLUDEDIR := sources/includes
+#
+# This variable is also used by the two‐stage `MODE´, where it gives the include directory for the second stage.
+INCLUDEDIR := $(foreach dir,$(SRCDIR),$(dir)/includes)
+
+# The directory which contains the data files.
+#
+# Only used in the two‐stage `MODE´, and defaults to that `MODE´ if this directory exists.
+# This directory is used as the include directory in the first stage.
+#
+# Multiple directories can be given so long as files with the same name do not exist in each.
+DATADIR :=

 
 # The directory in which to generate temporary buildfiles.
 #
 
 # The directory in which to generate temporary buildfiles.
 #

-# This variable is also used by the archiving `MODE´.
+# This variable is also used by the archiving and two‐stage `MODE´s.

 BUILDDIR := build
 
 # The directory into which to output files on `make install´.
 BUILDDIR := build
 
 # The directory into which to output files on `make install´.


@@ -163,20 +171,71 @@ BUILDDIR := build
 # This variable is also used by the archiving `MODE´.
 DESTDIR := public
 
 # This variable is also used by the archiving `MODE´.
 DESTDIR := public
 

-# The location of this Makefile (and related ⛩️📰 书社 files), relative to the current working directory.
+# The location of this Makefile (and related ⛩📰 书社 files), relative to the current working directory.

 #
 # By default, this is inferred from the variable `MAKEFILE_LIST´.
 #
 #
 # By default, this is inferred from the variable `MAKEFILE_LIST´.
 #

-# This variable is also used by the archiving `MODE´.
+# This variable is also used by the archiving and two‐stage `MODE´s.

 THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
 
 # Configuration of `find´.
 #
 # By default, `find´ will ignore files which begin with a period and those which are likely to cause problems for `make´.
 THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
 
 # Configuration of `find´.
 #
 # By default, `find´ will ignore files which begin with a period and those which are likely to cause problems for `make´.

+#
+# These variables are also used by the two‐stage `MODE´.

 EXTRAFINDRULES :=
 EXTRAFINDINCLUDERULES :=
 EXTRAFINDRULES :=
 EXTRAFINDINCLUDERULES :=

-FINDRULES := ! '(' '(' -name '[.-]*' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*"{*' -o -name '*}"*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a $(EXTRAFINDRULES),)
-FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a $(EXTRAFINDINCLUDERULES),)
+FINDRULES := '!' '(' '(' -name '[.-]*' -a '!' -name '.' -o -name '*[][*?:|$$%\#\\; ]*' -o -name '*[)]' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a '(' $(EXTRAFINDRULES) ')',)
+FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a '(' $(EXTRAFINDINCLUDERULES) ')',)
+
+# File extensions which indicate files in `SRCDIR´ which should be built as part of the first, rather than second, stage of the two‐stage `MODE´.
+DATAEXT := rdf
+
+# Rules for identifying files in `SRCDIR´ which should be built as part of the first, rather than second, stage of the two‐stage `MODE´.
+#
+# By default, this just constructs rules from `DATAEXT´.
+EXTRAFINDDATARULES :=
+FINDDATARULES := -name '.' $(foreach ext,$(DATAEXT), -o -name '$(subst ','"'"',[!.]*.$(ext))')$(if $(EXTRAFINDDATARULES), -a '(' $(EXTRAFINDDATARULES) ')',)
+
+# A semicolon‐separated list of regular expressions which paths should be required to match when finding files.
+FINDFILTERONLY :=
+
+# A semicolon‐separated list of regular expressions for paths which should be filtered out when finding files.
+FINDFILTEROUT :=
+
+# A semicolon‐separated list of regular expressions for paths which paths should be required to match when finding includes.
+#
+# This is generally only useful when `SRCDIR´ and `INCLUDEDIR´ point to the same location.
+# In that situation, this variable can be used to select certain files as includes, leaving the others to be recognized as sources instead.
+#
+# Otherwise, appropriately constructing `FINDFILTERONLY´ to look at the base directory of the files it finds should be sufficient.
+FINDINCLUDEFILTERONLY :=
+
+# A semicolon‐separated list of regular expressions for paths which should be filtered out in addition to those in `FINDFILTEROUT´ when finding includes.
+#
+# This is generally only useful when `SRCDIR´ and `INCLUDEDIR´ point to the same location.
+# In that situation, this variable can be used to exclude certain files from being recognized as includes, which will make them recognized as sources instead.
+#
+# Otherwise, appropriately constructing `FINDFILTEROUT´ to look at the base directory of the files it finds should be sufficient.
+FINDINCLUDEFILTEROUT :=
+
+# If not empty, the regular expression provided by `FINDFILTERONLY´ is an extended regular expression.
+FINDFILTERONLYEXTENDED :=
+
+# If not empty, the regular expression provided by `FINDFILTEROUT´ is an extended regular expression.
+#
+# By default, this matches `FINDFILTERONLYEXTENDED´
+FINDFILTEROUTEXTENDED :=  $(FINDFILTERONLYEXTENDED)
+
+# If not empty, the regular expression provided by `FINDFILTEROUT´ is an extended regular expression.
+#
+# By default, this matches `FINDFILTERONLYEXTENDED´
+FINDINCLUDEFILTERONLYEXTENDED :=  $(FINDFILTERONLYEXTENDED)
+
+# If not empty, the regular expression provided by `FINDINCLUDEFILTEROUT´ is an extended regular expression.
+#
+# By default, this matches `FINDFILTEROUTEXTENDED´
+FINDINCLUDEFILTEROUTEXTENDED := $(and $(FINDFILTERONLYEXTENDED),$(FINDFILTEROUTEXTENDED),1)

 
 # The list of magic files to use when determining media types.
 #
 
 # The list of magic files to use when determining media types.
 #


@@ -186,28 +245,46 @@ FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a $(EXTRAFINDINC
 EXTRAMAGIC :=
 MAGIC := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/magic/*)) $(EXTRAMAGIC))
 
 EXTRAMAGIC :=
 MAGIC := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/magic/*)) $(EXTRAMAGIC))
 

+# The list of depedencies for parsers.
+#
+# When these files change, the assumption is that the result of the parsers will change as well, even if the parsers themselves have not.
+EXTRAPARSERLIBS :=
+PARSERLIBS := $(sort $(THISDIR)/lib/split.xslt $(EXTRAPARSERLIBS))
+

 # The list of parsers for plaintext file types.
 #
 # Which parsers are provided will influence which kinds of files are recognized as plaintext.
 EXTRAPARSERS :=
 PARSERS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/parsers/*.xslt)) $(EXTRAPARSERS))
 
 # The list of parsers for plaintext file types.
 #
 # Which parsers are provided will influence which kinds of files are recognized as plaintext.
 EXTRAPARSERS :=
 PARSERS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/parsers/*.xslt)) $(EXTRAPARSERS))
 

+# The list of depedencies for transforms.
+#
+# When these files change, the assumption is that the result of the transforms will change as well, even if the transforms themselves have not.
+EXTRATRANSFORMLIBS :=
+TRANSFORMLIBS := $(sort $(THISDIR)/lib/serialize.xslt $(EXTRATRANSFORMLIBS))
+

 # The list of transforms.
 EXTRATRANSFORMS :=
 TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt)) $(EXTRATRANSFORMS))
 
 # List of types which should be treated as X·M·L.
 # The list of transforms.
 EXTRATRANSFORMS :=
 TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt)) $(EXTRATRANSFORMS))
 
 # List of types which should be treated as X·M·L.

-XMLTYPES := application/xml text/xml
+#
+# Types which start with a `+´ are suffixes and match any type which
+# ends accordingly.
+XMLTYPES := application/xml text/xml +xml
+
+# A program to run on basic X·M·L files after they are transformed.
+FINALIZE := $(XMLLINT) --nonet --nsclean

 
 ifdef GIT
 ifneq ($(wildcard $(THISDIR)/.git),)
 
 ifdef GIT
 ifneq ($(wildcard $(THISDIR)/.git),)

-# A description of the current git revision of ⛩️📰 书社.
-THISREV := $(shell cd $(THISDIR); $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
+# A description of the current git revision of ⛩📰 书社.
+THISREV := $(shell $(CD) $(THISDIR); $(GIT) describe 2>>/dev/null || $(GIT) rev-parse HEAD 2>>/dev/null || :)

 endif
 
 ifneq ($(wildcard .git),)
 # A description of the current git revision of the working directory.
 endif
 
 ifneq ($(wildcard .git),)
 # A description of the current git revision of the working directory.

-SRCREV := $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD 2> /dev/null || true)
+SRCREV := $(shell $(GIT) describe 2>>/dev/null || $(GIT) rev-parse HEAD 2>>/dev/null || :)

 endif
 endif
 
 endif
 endif
 


@@ -217,21 +294,38 @@ endif
 # The following modes are available :—
 #
 # • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:default ›:
 # The following modes are available :—
 #
 # • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:default ›:

-#   The default mode; typical Shushe behaviours.
+#   The default mode; typical ⛩📰 书社 behaviours.

 #
 # • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive ›:
 #   Generates archive files from parse results.
 #
 #
 # • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive ›:
 #   Generates archive files from parse results.
 #

-# • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:paged ›:
-#   Generates paginated files from parse results.
-MODE := urn:fdc:ladys.computer:20231231:Shu1She4:mode:default
+# • ‹ urn:fdc:ladys.computer:20231231:Shu1She4:mode:initial ›:
+#   The initial mode that this make·file starts in; this builds the magic file and parsers and then recursively calls into the default mode to build the files.
+MODE := urn:fdc:ladys.computer:20231231:Shu1She4:mode:initial
+
+# Set to a non·empty value to silence informative messages.
+QUIET :=

 
 # Set to a non·empty value to print all commands as they run.
 VERBOSE :=
 
 
 # Set to a non·empty value to print all commands as they run.
 VERBOSE :=
 

+# Posix locale information.
+LC_ALL := C
+export LC_ALL
+
+# Posix timezone information.
+TZ := UTC0
+export TZ
+

 # The default target for this makefile.
 .DEFAULT_GOAL := all
 
 # The default target for this makefile.
 .DEFAULT_GOAL := all
 

+# Flags for use when calling the shell.
+#
+# `-e` enables early exit from invocations of multiple commands after
+# the first failure.
+.SHELLFLAGS := -c -e
+

 # ━ § BEGIN SHARED MAKE·FILE CONSTRUCTS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 # ━ § BEGIN SHARED MAKE·FILE CONSTRUCTS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────


@@ -251,38 +345,87 @@ override space := $(empty) $(empty)
 # A variable which contains a single comma.
 override comma := ,
 
 # A variable which contains a single comma.
 override comma := ,
 

+# (callable) Make empty strings non·empty, and non·empty strings empty.
+override not = $(if $1,,1)
+

 # (callable) Quote the given string for use within shell calls.
 override quote = '$(subst ','"'"',$1)'
 
 # (callable) Quote the given string for use within shell calls.
 override quote = '$(subst ','"'"',$1)'
 

-# Outputs an `@´ to silence rules, unless `VERBOSE´ is nonempty.
-override silent := $(if $(VERBOSE),,@)
+# The command to use for percent‐decoding.
+override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%5C/g;s/%[0123456789ABCDEFabcdef]\{2\}/|&|/g' | $(TR) '|' '\n' | $(SED) '/^%[0123456789ABCDEFabcdef]\{2\}$$/!s/%/|%25|/' | $(TR) '|' '\n' | $(AWK) '$$0!~/%/{printf "%s",$$0}/%/{d="0123456789ABCDEF";v=substr(toupper($$0),2,2);printf "\\%04o",(index(d,substr(v,1,1))-1)*16+index(d,substr(v,2,1))-1}' | $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/;$$!s/$$/\\/) | $(XARGS) -E '' $(PRINTF) '%b'
+
+# (callable) Percent‐decode the given strings.
+#
+# ☡ This variable creates a subshell every time it is computed.
+override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote,$(encoded))) | $(perdeccmd))
+
+# (callable) Percent‐encode the given strings.
+#
+# This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
+# The encoding assumes the input is a “u·r·i component”; e·g that the resulting string should only contain `pchar´ (but can contain any `sub-delim´).
+#
+# It is assumed that the given strings do not contain newlines.
+#
+# ☡ This variable creates a subshell every time it is computed.
+override perenc = $(shell $(PRINTF) '%s\n' $(foreach unencoded,$1,$(call quote,$(unencoded))) | $(OD) -t x1 | $(SED) 's/^[0123456789]*//;s/0[Aa]/%&/g;s/2[146789ABCDEabcde]/%&/g;s/3[0123456789AaBbDd]/%&/g;s/40/%&/g;s/[46][123456789ABCDEFabcdef]/%&/g;s/[57][0123456789Aa]/%&/g;s/5[Ff]/%&/g;s/7[Ee]/%&/g;s/[ ][0123456789ABCDEFabcdef]\{2\}/%25&/g' | $(TR) -d ' \n' | $(TR) 'abcdef' 'ABCDEF' | $(perdeccmd))

 
 

-# (callable) Get the modified time of the provided file.
+# (callable) Percent‐encode each component in the given paths.

 #
 #

-# This is messy; there is no portable way of using `stat´.
+# ☡ This variable creates a subshell every time it is computed.
+override pathenc = $(subst %2F,/,$(call perenc,$1))
+
+# (callable) Create a unique name for the given file, based on its absolute path.

 #
 # ☡ This variable creates a subshell every time it is computed.
 #
 # ☡ This variable creates a subshell every time it is computed.

-override modtime = $(shell if $(STAT) --version 2> /dev/null | $(GREP) -q GNU; then $(DATE) -u -d "@$$(TZ= $(STAT) -c '%Y' $(call quote,$1))" '+%Y-%m-%dT%H:%M:%SZ'; else TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$1); fi)
+namehash = $(shell $(PRINTF) '%s' $(call quote,$(abspath $1)) | $(CKSUM) | $(SED) 's/ .*//' | $(XARGS) -E '' $(PRINTF) '%X')-$(notdir $1)
+
+# The location of this make·file.
+override makefile := $(abspath $(THISDIR)/GNUmakefile)
+
+# Non·empty if `help´ or `clean´, and no targets other than `help´ or `clean´, were specified as goals on the commandline.
+override notbuilding := $(and $(filter help clean,$(MAKECMDGOALS)),$(call not,$(filter-out help clean,$(MAKECMDGOALS))))
+
+# (callable) Tests to see if the prerequisites provided by the second argument matches the value in the file corresponding to the first argument in `$(BUILDDIR)/lastprereqs´.
+# If not, saves the new value.
+# Returns the values plus the file in `$(BUILDDIR)/lastprereqs´, which will always be newer than the target if there was a change.
+#
+# Calling this variable is useful when a given target should be updated whenever its list of prerequisites changes in addition to whenever there is a change to one of its prerequisites.
+#
+# If `$(notbuilding)´ is non·empty, this variable produces no result to avoid unnecessary work.
+#
+# ☡ This variable creates at least one subshell every time it is computed.
+override diffprereqs = $(if $(notbuilding),,$(and $(or $(wildcard $(BUILDDIR)/lastprereqs/$1),$(shell $(TOUCH) $(call quote,$(BUILDDIR)/lastprereqs/$1)),1),$(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2>>/dev/null || :),,$2),$(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) >|$(call quote,$(BUILDDIR)/lastprereqs/$1)),)$2 $(BUILDDIR)/lastprereqs/$1)

 
 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 
 
 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 

+# Outputs an `@´ to silence rules, unless `VERBOSE´ is non·empty.
+override silent := $(if $(VERBOSE),,@)
+
+# (callable) Only perform the rule if `QUIET` is not set.
+override inform = $(if $(QUIET),,@$1)
+

 # (callable) Check to see if the given directory exists and create it if not.
 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 
 # (callable) Check to see if the given directory exists and create it if not.
 override ensuredirectory = if $(TEST) ! -d $(call quote,$1); then $(MKDIR) -p $(call quote,$1); fi
 

-# (callable) Test if the provided xpath expression matches the provided document.
-override xpath = $(XMLLINT) --xpath $(call quote,$1) $(call quote,$2) > /dev/null 2> /dev/null
+# Quote standard input in such a way that piping it to xargs will result in it being processed as a single argument.
+#
+# If standard input ends in a newline, it is stripped; all other newlines are preserved.
+override xargsquote := $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/;$$!s/$$/\\/)

 
 

-# (callable) Extract the value of the text nodes in the provided X·M·L document and print them to `stdout´.
-override extracttext = $(PRINTF) '%s' '<transform xmlns="http://www.w3.org/1999/XSL/Transform" version="1.0"><output method="text" encoding="UTF-8"/></transform>' | $(XSLTPROC) --nonet --novalid - $(call quote,$1)
+# Quote standard input in such a way that piping it to xargs will result in each line being processed as a single argument.
+override xargsmultiquote := $(SED) $(call quote,s/'/'"'"'/g;s/^/'/;s/$$/'/)
+
+# (callable) Test if the provided xpath expression matches the provided document.
+override xpath = $(XMLLINT) --noent --nonet --xpath $(call quote,$1) $(call quote,$2) >>/dev/null 2>>/dev/null

 
 

-# (callable) List the files in the provided directory which are associated with the provided filename, one per line.
-override associatedfiles = $(LS) -1 $(call quote,$1) | $(SED) '/.*"{.*}".*/!d;s/^\(.*\)"{.*}"\(.*\)$$/\1\2|&/' | $(GREP) -F -e $(call quote,$2|) | $(SED) 's/^.*|//'
+# (callable) Get the identifier for the given parser or transform.
+override id = $(XMLLINT) --noent --nonet --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $(call quote,$1) 2>>/dev/null || $(PRINTF) '%s\n' $(call quote,about:shushe?$(or $2,unknown)=$(call pathenc,$(basename $(notdir $1))))

 
 

-# (callable) Remove files associated with the provided file.
-override removeassociatedfiles = ASSOCIATED="$$($(call associatedfiles,$(dir $1),$(notdir $1)) | $(TR) '\n' ' ')"; if $(TEST) -n "$$ASSOCIATED"; then cd $(call quote,$(dir $1)) && $(PRINTF) '%s\n' "$$ASSOCIATED" | $(TR) ' ' '\n' | $(SED) $(call quote,/^$$/d;s/'/'"'"'/g;s/^/'/;s/$$/'/) | $(TR) '\n' ' ' | $(XARGS) $(RM); fi
+# (callable) Extract the value of the text nodes in the provided X·M·L document and print them to `stdout´.
+override extracttext = $(PRINTF) '%s' '<transform xmlns="http://www.w3.org/1999/XSL/Transform" version="1.0"><output method="text" encoding="UTF-8"/></transform>' | $(XSLTPROC) --nonet --novalid --nomkdir --nowrite - $(call quote,$1)

 
 # (callable) Process the provided transformation result and output the result to the provided location, given the provided relative path.
 
 # (callable) Process the provided transformation result and output the result to the provided location, given the provided relative path.

-override processresultto = if $(call xpath,/*[local-name()="raw-text" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(call extracttext,$1) > $(call quote,$2); $(call removeassociatedfiles,$2); elif $(call xpath,/*[local-name()="base64-binary" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(call extracttext,$1) | $(TR) -d '\t\n\f\r ' | $(XARGS) -0 $(PRINTF) 'begin-base64 644 -\n%s\n====\n' | $(UUDECODE) -o /dev/stdout > $(call quote,$2); $(call removeassociatedfiles,$2); elif $(call xpath,/*[local-name()="archive" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(MAKE) -f $(call quote,$(abspath $(THISDIR)/GNUmakefile)) $(call quote,$2) NAME=$(call quote,$3) SRC=$(call quote,$1) BUILDDIR=$(call quote,$(BUILDDIR)/archive/$3) DESTDIR=$(call quote,$(patsubst %/,%,$(dir $2))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive'; $(call removeassociatedfiles,$2); elif $(call xpath,//*[local-name()="page" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(MAKE) -f $(call quote,$(abspath $(THISDIR)/GNUmakefile)) $(call quote,$2) NAME=$(call quote,$3) SRC=$(call quote,$1) BUILDDIR=$(call quote,$(BUILDDIR)/paged/$3) DESTDIR=$(call quote,$(patsubst %/,%,$(dir $2))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:paged'; else $(XMLLINT) --nsclean $(call quote,$1) > $(call quote,$2); $(call removeassociatedfiles,$2);  fi
+override processresultto = if $(call xpath,/*[local-name()="raw-text" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(call extracttext,$1) >|$(call quote,$2); elif $(call xpath,/*[local-name()="base64-binary" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then { $(PRINTF) '%s\n' 'begin-base64 644 -'; $(call extracttext,$1) | $(TR) -d '\t\n\f\r '; $(PRINTF) '\n%s\n' '===='; } | $(UUDECODE) -o /dev/stdout >|$(call quote,$2); elif $(call xpath,/*[local-name()="archive" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$1); then $(MAKE) -f $(makefile) NAME=$(call quote,$3) SRC=$(call quote,$1) BUILDDIR=$(call quote,$(BUILDDIR)/archive/$3) DESTDIR=$(call quote,$(patsubst %/,%,$(dir $2))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:archive' $(call quote,$2); else $(FINALIZE) $(call quote,$1) >|$(call quote,$2); fi

 
 # ━ § BEGIN DEFAULT MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
 
 # ━ § BEGIN DEFAULT MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 


@@ -290,46 +433,20 @@ ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:default)
 
 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 
 
 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 

-# (callable) Test to see if the prerequisites provided by the second argument matches the value in the file corresponding to the first argument in `$(BUILDDIR)/lastprereqs´.
-# If not, save the new value and then add FORCE.
-# Return them regardless.
-#
-# Calling this variable is useful when a given target should be updated whenever its list of prerequisites changes in addition to whenever there is a change to one of its prerequisites.
-#
-# ☡ This variable creates at least one subshell every time it is computed.
-override diffprereqs = $(if $(subst $(shell $(CAT) $(call quote,$(BUILDDIR)/lastprereqs/$1) 2> /dev/null || true),,$2),$2 FORCE$(and $(shell $(call ensuredirectory,$(BUILDDIR)/lastprereqs) && $(PRINTF) '%s\n' $(call quote,$2) > $(BUILDDIR)/lastprereqs/$1),),$2)
+# (callable) Escape special characters for use in X·M·L.
+override xmlesc = $(subst >,&gt;,$(subst <,&lt;,$(subst &,&amp;,$1)))
+
+# (callable) Escape special characters for use in X·M·L attributes.
+override attresc = $(subst ",&quot;,$(call xmlesc,$1))

 
 # (callable) Escape special characters for use in sed regular expressions.
 override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 
 
 # (callable) Escape special characters for use in sed regular expressions.
 override sedesc = $(subst /,[/],$(subst $$,\$$,$(subst *,\*,$(subst .,\.,$(subst [,\[,$(subst ^,\^,$(subst \,\\,$1)))))))
 

-# The command to use for percent‐decoding.
-override perdeccmd := $(SED) 's/|/%7C/g;s/[\]/%5C/g;s/%[0-9A-Fa-f]\{2\}/|&|/g' | $(TR) '|' '\n' | $(SED) '/^%[0-9A-Fa-f]\{2\}$$/!s/%/|%25|/' | $(TR) '|' '\n' | $(AWK) '$$0!~/%/{printf "%s",$$0}/%/{d="0123456789ABCDEF";v=substr(toupper($$0),2,2);printf "\\%04o",(index(d,substr(v,1,1))-1)*16+index(d,substr(v,2,1))-1}' | $(XARGS) -0 $(PRINTF) '%b'
-
-# (callable) Percent‐decode the given strings.
-#
-# ☡ This variable creates a subshell every time it is computed.
-override perdec = $(shell $(PRINTF) '%s\0450A' $(foreach encoded,$1,$(call quote,$(encoded))) | $(perdeccmd))
-
-# (callable) Percent‐encode the given strings.
-#
-# This singly‐encodes u·r·i characters and doubly‐encodes other characters, then calls `perdec´ to decode back to a single encoding.
-# The encoding assumes the input is a “u·r·i component”; e·g that the resulting string should only contain `pchar´ (but can contain any `sub-delim´).
-#
-# It is assumed that the given strings do not contain newlines.
-#
-# ☡ This variable creates a subshell every time it is computed.
-override perenc = $(shell $(PRINTF) '%s\n' $(foreach unencoded,$1,$(call quote,$(unencoded))) | $(OD) -t x1 | $(SED) 's/^[0-9]*//;s/0[Aa]/%&/g;s/2[146-9A-Ea-e]/%&/g;s/3[0-9AaBbDd]/%&/g;s/40/%&/g;s/[46][1-9A-Fa-f]/%&/g;s/[57][0-9Aa]/%&/g;s/5[Ff]/%&/g;s/7[Ee]/%&/g;s/[ ][0-9A-Fa-f]\{2\}/%25&/g' | $(TR) -d ' \n' | $(TR) 'abcdef' 'ABCDEF' | $(perdeccmd))
-
-# (callable) Percent‐encode each component in the given paths.
-#
-# ☡ This variable creates a subshell every time it is computed.
-override pathenc = $(subst %2F,/,$(call perenc,$1))
-

 # (overridable) Collect all of the applicable includes from the includes directory.
 # (overridable) Collect all of the applicable includes from the includes directory.

-sourceincludes := $(shell $(FIND) $(foreach dir,$(INCLUDEDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f)
+sourceincludes := $(foreach dir,$(INCLUDEDIR),$(and $(dir),$(wildcard $(dir)),$(patsubst ./%,%,$(shell $(FIND) $(call quote,$(dir)) '(' $(FINDINCLUDERULES) ')' -a -type f -a -print$(and $(FINDFILTERONLY),$(space)| $(GREP)$(and $(FINDFILTERONLYEXTENDED),$(space)-E) $(foreach filter,$(shell $(PRINTF) '%s\n' $(call quote,$(FINDFILTERONLY)) | $(TR) ' ;' '; '),-e $(call quote,$(subst ;, ,$(filter)))))$(and $(FINDINCLUDEFILTERONLY),$(space)| $(GREP)$(and $(FINDINCLUDEFILTERONLYEXTENDED),$(space)-E) $(foreach filter,$(shell $(PRINTF) '%s\n' $(call quote,$(FINDINCLUDEFILTERONLY)) | $(TR) ' ;' '; '),-e $(call quote,$(subst ;, ,$(filter)))))$(and $(FINDFILTEROUT),$(space)| $(GREP)$(and $(FINDFILTEROUTEXTENDED),$(space)-E) -v $(foreach filter,$(shell $(PRINTF) '%s\n' $(call quote,$(FINDFILTEROUT)) | $(TR) ' ;' '; '),-e $(call quote,$(subst ;, ,$(filter)))))$(and $(FINDINCLUDEFILTEROUT),$(space)| $(GREP)$(and $(FINDINCLUDEFILTEROUTEXTENDED),$(space)-E) -v $(foreach filter,$(shell $(PRINTF) '%s\n' $(call quote,$(FINDINCLUDEFILTEROUT)) | $(TR) ' ;' '; '),-e $(call quote,$(subst ;, ,$(filter)))))))))

 
 # (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.
 
 # (overridable) Collect all of the applicable source files from the source directory, removing any which are also includes.

-sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SRCDIR),$(call quote,$(dir))) '(' $(FINDRULES) ')' -a -type f))
+sourcefiles := $(filter-out $(sourceincludes),$(foreach dir,$(SRCDIR),$(and $(dir),$(wildcard $(dir)),$(patsubst ./%,%,$(shell $(FIND) $(call quote,$(dir)) '(' $(FINDRULES) ')' -a -type f -a -print$(and $(FINDFILTERONLY),$(space)| $(GREP)$(and $(FINDFILTERONLYEXTENDED),$(space)-E) $(foreach filter,$(shell $(PRINTF) '%s\n' $(call quote,$(FINDFILTERONLY)) | $(TR) ' ;' '; '),-e $(call quote,$(subst ;, ,$(filter)))))$(and $(FINDFILTEROUT),$(space)| $(GREP)$(and $(FINDFILTEROUTEXTENDED),$(space)-E) -v $(foreach filter,$(shell $(PRINTF) '%s\n' $(call quote,$(FINDFILTEROUT)) | $(TR) ' ;' '; '),-e $(call quote,$(subst ;, ,$(filter))))))))))

 
 # Figure out the file type of each source file and source include.
 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 
 # Figure out the file type of each source file and source include.
 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)


@@ -338,11 +455,13 @@ endif
 
 # Get the list of supported plaintext file types from the parser.
 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)
 
 # Get the list of supported plaintext file types from the parser.
 ifneq ($(wildcard $(BUILDDIR)/parser.xslt),)

-override plaintexttypes := $(filter-out $(XMLTYPES),$(shell $(XMLLINT) --xpath '/*/*[@name="书社:parsers"]//*[namespace-uri()="http://www.w3.org/1999/xhtml" and local-name()="dd"]/text()' $(call quote,$(BUILDDIR)/parser.xslt)))
+override plaintexttypes := $(filter-out $(XMLTYPES),$(shell $(XMLLINT) --noent --nonet --xpath '/*/*[@name="书社:parsers"]//*[namespace-uri()="http://www.w3.org/1999/xhtml" and local-name()="dd"]/text()' $(call quote,$(BUILDDIR)/parser.xslt)))

 endif
 
 endif
 

-# (callable) Get all of the files (source and includes) which have the given types.
-override filesoftype = $(foreach type,$1,$(patsubst %|$(type),%,$(filter %|$(type),$(types))))
+# (callable) Get all of the files (source and includes) which have the provided types.
+#
+# If a provided type begins with a `+´, it is analysed as a suffix, and all matching types will be used.
+override filesoftype = $(foreach typeorsuffix,$1,$(foreach type,$(if $(filter +%,$(typeorsuffix)),$(sort $(foreach suffixedtype,$(filter %$(typeorsuffix),$(types)),$(lastword $(subst |, ,$(suffixedtype))))),$(typeorsuffix)),$(patsubst %|$(type),%,$(filter %|$(type),$(types)))))

 
 # Build up collections of various file types.
 override xmlfiles := $(call filesoftype,$(XMLTYPES))
 
 # Build up collections of various file types.
 override xmlfiles := $(call filesoftype,$(XMLTYPES))


@@ -350,27 +469,18 @@ override plaintextfiles := $(filter-out $(xmlfiles),$(call filesoftype,$(plainte
 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 
 # (callable) Get the types of the given files.
 override assetfiles := $(filter-out $(xmlfiles) $(plaintextfiles),$(sourcefiles) $(sourceincludes))
 
 # (callable) Get the types of the given files.

-override typeoffile = $(patsubst $(foreach file,$1,$(file)|%),%,$(filter $(foreach file,$1,$(file)|%),$(types)))
-
-# Pair each source magic file with its location in the build directory.
-override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
-
-# (callable) Get the source file for the given magic files.
-override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
-
-# (callable) Get the build file for the given magic files.
-override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
+override typeoffile = $(foreach file,$1,$(or $(patsubst $(file)|%,%,$(filter $(file)|%,$(types))),application/octet-stream))

 
 # (callable) Get the local path for the given source file.
 
 # (callable) Get the local path for the given source file.

-override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
+override sourcepath = $(or $(firstword $(foreach directory,$(SRCDIR),$(if $(filter .,$(directory)),$(wildcard $1),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))),$(error Unable to get local path for source file `$1´))

 
 # (callable) Get the local path for the given include.
 
 # (callable) Get the local path for the given include.

-override includepath = $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
+override includepath = $(or $(firstword $(foreach directory,$(INCLUDEDIR),$(if $(filter .,$(directory)),$(wildcard $1),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))),$(error Unable to get local path for include file `$1´))

 
 # (callable) Get base64 data u·r·i’s for the given files.
 #
 # ☡ This variable creates a subshell every time it is computed.
 
 # (callable) Get base64 data u·r·i’s for the given files.
 #
 # ☡ This variable creates a subshell every time it is computed.

-override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m $(call quote,$(file)) _ | $(SED) '2,$$!d;$d' | $(TR) -d ' \n'))
+override datauri = $(foreach file,$1,data:$(call typeoffile,$(file));base64,$(shell $(UUENCODE) -m $(call quote,$(file)) _ | $(SED) '2,$$!d;$$d' | $(TR) -d ' \n'))

 
 # Pair each source file and include with its local u·r·i.
 override sourcelocalpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|about:shushe?$(if $(filter $(file),$(sourceincludes)),include=$(call pathenc,$(call includepath,$(file))),source=$(call pathenc,$(call sourcepath,$(file)))))
 
 # Pair each source file and include with its local u·r·i.
 override sourcelocalpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|about:shushe?$(if $(filter $(file),$(sourceincludes)),include=$(call pathenc,$(call includepath,$(file))),source=$(call pathenc,$(call sourcepath,$(file)))))


@@ -381,11 +491,20 @@ override localuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,
 # (callable) Get the source files for the given local uris.
 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 
 # (callable) Get the source files for the given local uris.
 override sourcefile = $(foreach local,$1,$(patsubst %|$(local),%,$(filter %|$(local),$(sourcelocalpair))))
 

-# Adds a requirement on `$(BUILDDIR)/.update-types´ if the file is present.
+# Resolves to the `FORCE´ target if `$(BUILDDIR)/.update-types´ is present.

 #
 #

-# This file is created after a reload due to type changes, and is removed after.
-# Requiring it ensures that file classifications are up·to·date immediately after the reload.
-override typeupdates := $(wildcard $(BUILDDIR)/.update-types)
+# This file is created before a reload due to type changes, and is removed after.
+# This ensures that file classifications are up·to·date immediately after the reload.
+override typeupdates := $(and $(wildcard $(BUILDDIR)/.update-types),FORCE)
+
+# Pair each source file and include with its metadata location.
+override sourcemetadatapair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes.metadata/$(call includepath,$(file)),sources.metadata/$(call sourcepath,$(file))))
+
+# (callable) Get the location of the transformed X·M·L files for the given source files.
+override metadata = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcemetadatapair))))
+
+# (callable) Get the source files for the given parsed file.
+override datadata = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourcemetadatapair))))

 
 # Pair each source file and include with its parsed location.
 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))
 
 # Pair each source file and include with its parsed location.
 override sourceparsedpair := $(foreach file,$(sourcefiles) $(sourceincludes),$(file)|$(BUILDDIR)/$(if $(filter $(file),$(sourceincludes)),includes/$(call includepath,$(file)),sources/$(call sourcepath,$(file))))


@@ -396,15 +515,15 @@ override parsed = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(
 # (callable) Get the source files for the given parsed file.
 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 
 # (callable) Get the source files for the given parsed file.
 override unparsed = $(foreach file,$1,$(patsubst %|$(file),%,$(filter %|$(file),$(sourceparsedpair))))
 

-# Pair each parser, transform, or parsed file with its file u·r·i.
-override fileuripairs := $(join $(patsubst %,%|,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes))),$(call pathenc,$(foreach uriable,$(PARSERS) $(TRANSFORMS) $(call parsed,$(sourcefiles) $(sourceincludes)),file://$(abspath $(uriable)))))
+# Pair each build directory, transform, source file, or parsed file with its file u·r·i.
+override fileuripairs := $(join $(patsubst %,%|,$(BUILDDIR) $(TRANSFORMS) $(sourcefiles) $(sourceincludes) $(call parsed,$(sourcefiles) $(sourceincludes))),$(call pathenc,$(foreach uriable,$(BUILDDIR) $(TRANSFORMS) $(sourcefiles) $(sourceincludes) $(call parsed,$(sourcefiles) $(sourceincludes)),file://$(abspath $(uriable)))))

 
 

-# (callable) Get the file u·r·is for the given parsers, transforms, or parsed files.
-override fileuri = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))))
+# (callable) Get the file u·r·is for the given transforms, source file or parsed files.
+override fileuri = $(foreach file,$1,$(or $(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))),$(error Unable to get file u·r·i for `$(file)´)))

 
 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 # Pair each file with a list of dependencies for it.
 
 ifneq ($(wildcard $(BUILDDIR)/dependencies),)
 # Pair each file with a list of dependencies for it.

-override dependenciesforfile := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles) $(sourceincludes)),$(file)|$(subst $(space),|,$(shell $(CAT) $(call quote,$(BUILDDIR)/dependencies) | $(SED) $(call quote,/^$(call sedesc,$(call localuri,$(file)))$$/$(comma)/^[^    ]/!d;/^ /!d;s/^ //))))
+override dependenciesforfile := $(foreach file,$(filter-out $(assetfiles),$(sourcefiles) $(sourceincludes)),$(file)|$(subst $(space),|,$(shell $(SED) $(call quote,/^$(call sedesc,$(call localuri,$(file)))$$/$(comma)/^[^    ]/!d;/^ /!d;s/^ //) <$(call quote,$(BUILDDIR)/dependencies))))

 
 # (callable) Get the list of dependency leiris for the given source files.
 #
 
 # (callable) Get the list of dependency leiris for the given source files.
 #


@@ -412,9 +531,13 @@ override dependenciesforfile := $(foreach file,$(filter-out $(assetfiles),$(sour
 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 
 # (callable) Get the list of recursive dependencies for the given source files.
 override dependencyuris = $(foreach file,$1,$(subst |, ,$(patsubst $(file)|%,%,$(filter $(file)|%,$(dependenciesforfile)))))
 
 # (callable) Get the list of recursive dependencies for the given source files.

+#
+# If the file cannot have dependencies (e·g is an asset file), the resulting value will be the empty string.

 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 
 # (callable) Get the list of (nonrecursive) dependencies for the given source files.
 override recursives = $(foreach uri,$(filter -%,$(call dependencyuris,$1)),$(call sourcefile,$(patsubst -%,%,$(uri))))
 
 # (callable) Get the list of (nonrecursive) dependencies for the given source files.

+#
+# If the file cannot have dependencies (e·g is an asset file), the resulting value will be the empty string.

 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 endif
 
 override dependencies = $(foreach uri,$(filter-out -%,$(call dependencyuris,$1)),$(call sourcefile,$(uri)))
 endif
 


@@ -436,10 +559,13 @@ ifneq ($(wildcard $(BUILDDIR)/destinations),)
 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 
 # Pair source files and their destinations.
 override destinations := $(shell $(CAT) $(BUILDDIR)/destinations)
 
 # Pair source files and their destinations.

-override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(call perdec,$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination))))))
+override sourcedestinationpair := $(foreach destination,$(destinations),$(call sourcefile,$(firstword $(subst |, ,$(destination))))|$(subst $(space),|,$(wordlist 2,$(words $(subst |, ,$(destination))),$(subst |, ,$(destination)))))
+endif

 
 

-# (callable) Get the destination for the given source files.
-override destination = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))))
+# (callable) Get the destination for the given source files, or return `.NOTDEF/$1´.
+#
+# The fallback here is because destinations are used to generate targets and thus must always be non·empty and should be unique, even when they haven’t been generated yet.
+override destination = $(foreach file,$1,$(or $(patsubst $(file)|%,%,$(filter $(file)|%,$(sourcedestinationpair))),.NOTDEF/$1))

 
 # Pair each source file with its compiled location.
 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/results/$(call destination,$(file)))
 
 # Pair each source file with its compiled location.
 override sourcecompiledpair := $(foreach file,$(sourcefiles),$(file)|$(BUILDDIR)/results/$(call destination,$(file)))


@@ -458,39 +584,24 @@ override unbuilt = $(foreach file,$1,$(call uncompiled,$(patsubst $(BUILDDIR)/pu
 
 # (callable) Get the installed locations for the given source files.
 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))
 
 # (callable) Get the installed locations for the given source files.
 override installed = $(foreach file,$1,$(DESTDIR)/$(call destination,$(file)))

-endif

 
 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 
 
 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 

-# (callable) Get the identifier for the given parser or transform.
-override id = $(XMLLINT) --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $(call quote,$1) 2> /dev/null || $(PRINTF) '%s\n' $(call quote,about:shushe?$(or $2,unknown)=$(call pathenc,$(basename $(notdir $1))))
-

 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.
 # (callable) Sanitize and wrap the provided plaintext file in X·M·L, printing to `stdout´.

-override wrapplaintext = $(TR) '\000\013\014' '\032\011\012' < $(call quote,$1) | $(SED) "$$($(PRINTF) '%b' 's/]]>/]]]]><!\\[CDATA\\[>/g\ns/\0357\0277\0276/�/g\ns/\0357\0277\0277/�/g\n$$!s/\\r$$//g\ns/\\r/\\n/g\n$$!s/\0302\0205$$//g\ns/\0302\0205/\\n/g;s/\0342\0200\0250/\\n/g;s/[\0001-\0010]/�/g;s/[\0016-\0037]/�/g')" | $(XARGS) -0 $(PRINTF) '%b%s]]></script>\n' '<?xml version=\042\061.0\042?>\n<script xmlns=\042http://www.w3.org/1999/xhtml\042 type=\042$(call typeoffile,$1)\042><![CDATA['
+override wrapplaintext = { $(PRINTF) '%s\n%s' '<?xml version="1.0"?>' '<script xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$1)"><![CDATA['; $(TR) '\000\013\014' '\032\011\012' <$(call quote,$1) | $(SED) "$$($(PRINTF) '%b' 's/]]>/]]]]><!\\[CDATA\\[>/g\ns/\0357\0277\0276/�/g\ns/\0357\0277\0277/�/g\n$$!s/\\r$$//g\ns/\\r/\\n/g\n$$!s/\0302\0205$$//g\ns/\0302\0205/\\n/g\ns/\0342\0200\0250/\\n/g\ns/[\0001\0002\0003\0004\0005\0006\0007\0010]/�/g\ns/[\0016\0017\0020\0021\0022\0023\0024\0025\0026\0027\0031\0032\0033\0034\0035\0036\0037]/�/g')"; $(PRINTF) '%s\n' ']]></script>'; }

 
 # (callable) Check if the provided X·M·L file is X·M·L 1.1, and if so, coerce to X·M·L 1.0 as best as possible, printing the result (or the original file contents) to `stdout´.
 #
 # The X·M·L declaration will be dropped and character escapes for C0 control codes will be replaced with a literal `U+0091 PRIVATE USE ONE´, which is invalid in X·M·L 1.1, but valid X·M·L 1.0 (making the replacement obvious).
 #
 # This isn’t a perfect substitution (it makes some assumptions about the format of the underlying X·M·L), but it should be workable for most sensible, welformed files.
 
 # (callable) Check if the provided X·M·L file is X·M·L 1.1, and if so, coerce to X·M·L 1.0 as best as possible, printing the result (or the original file contents) to `stdout´.
 #
 # The X·M·L declaration will be dropped and character escapes for C0 control codes will be replaced with a literal `U+0091 PRIVATE USE ONE´, which is invalid in X·M·L 1.1, but valid X·M·L 1.0 (making the replacement obvious).
 #
 # This isn’t a perfect substitution (it makes some assumptions about the format of the underlying X·M·L), but it should be workable for most sensible, welformed files.

-override serializexml = $(SED) "$$($(PRINTF) '%b' '/<?xml[ \t]\\{1,\\}version=[\0042\0047]1.1/,$${ s/<?xml[^>]*?>/<!--<?xml version=\00421.1\0042?>-->/\n s/&\0043x0*[1-8BCEFbcef];/\0302\0221/g\n s/&\0043x0*1[0-9A-Fa-f];/\0302\0221/g\n s/&\00430*[1-8];/\0302\0221/g\n s/&\00430*1[124-9];/\0302\0221/g\n s/&\00430*2[0-9];/\0302\0221/g\n s/&\00430*3[01];/\0302\0221/g\n}')" < $(call quote,$1) | $(SED) "$$($(PRINTF) '%b' ':a\n/^\\n*$$/{ $$d\n N\n ba\n}')"
+override serializexml = $(SED) "$$($(PRINTF) '%b' '/<?xml[ \t]\\{1,\\}version=[\0042\0047]1.1/,$${ s/<?xml[^>]*?>/<!--<?xml version=\00421.1\0042?>-->/\n s/&\0043x0*[12345678BCEFbcef];/\0302\0221/g\n s/&\0043x0*1[0123456789ABCDEFabcdef];/\0302\0221/g\n s/&\00430*[12345678];/\0302\0221/g\n s/&\00430*1[12456789];/\0302\0221/g\n s/&\00430*2[0123456789];/\0302\0221/g\n s/&\00430*3[01];/\0302\0221/g\n}')" <$(call quote,$1) | $(SED) "$$($(PRINTF) '%b' ':a\n/^\\n*$$/{ $$d\n N\n ba\n}')"

 
 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 
 # Compile all files, or error if any are recursive.
 all : $(call built,$(recursivefiles) $(installablefiles)) ;
 
 
 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 
 # Compile all files, or error if any are recursive.
 all : $(call built,$(recursivefiles) $(installablefiles)) ;
 

-# Destroy buildfiles.
-clean :
-       $(if $(BUILDDIR),$(silent)$(RM) -rf $(call quote,$(BUILDDIR)/),)
-
-# Destroy build directory and installed files.
-gone : clean uninstall ;
-
-# Provide help.
-help :
-       @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
-

 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 
 # Install the compiled files into `DESTDIR´, or error if any are recursive.
 install : $(call installed,$(recursivefiles) $(installablefiles)) ;
 


@@ -500,15 +611,15 @@ list :
 
 # Lists out the destinations of all resulting files (relative to `DESTDIR´).
 listout :
 
 # Lists out the destinations of all resulting files (relative to `DESTDIR´).
 listout :

-       @$(PRINTF) '⛩️📰 书社 Output: %s\n' $(call quote,$(foreach file,$(sort $(sourcefiles)),$(call destination,$(file))))
+       @$(PRINTF) '%s\n' $(call quote,$(foreach file,$(sort $(sourcefiles)),$(call destination,$(file))))

 
 # Destroy installed files.
 uninstall :
 
 # Destroy installed files.
 uninstall :

-       $(foreach file,$(installablefiles),$(if $(wildcard $(call installed,$(file))),$(silent)$(PRINTF) '%s\n' $(call quote,Removing </$(patsubst $(DESTDIR)/%,%,$(call installed,$(file)))>…)$(newline)$(silent)$(RM) -f $(call quote,$(call installed,$(file)))$(newline),))
+       $(foreach file,$(installablefiles),$(if $(wildcard $(call installed,$(file))),$(silent)$(PRINTF) '%s\n' $(call quote,Removing </$(patsubst $(DESTDIR)/%,%,$(call installed,$(file)))>…)$(newline)$(silent)$(RM) -f -R $(call quote,$(call installed,$(file)))$(newline),))

 
 # Raise an error when attempting to build any files with recursive dependencies.
 $(call built,$(recursivefiles)) :
 
 # Raise an error when attempting to build any files with recursive dependencies.
 $(call built,$(recursivefiles)) :

-       @$(PRINTF) '%b\n' $(call quote,\0033[93;41mError:\0033[39;49m `$(call unbuilt,$@)´ has recursive dependencies:\n$(subst |, ,$(subst $(space),$(newline),$(foreach recursive,$(call recursives,$(call unbuilt,$@)),•|$(recursive))))) && false
+       @$(PRINTF) '%b\n' $(call quote,\0033[93;41mError:\0033[39;49m `$(call unbuilt,$@)´ has recursive dependencies:\n$(subst |, ,$(subst $(space),$(newline),$(foreach recursive,$(call recursives,$(call unbuilt,$@)),•|$(recursive))))) >&2 && exit 1

 
 # Add as a prerequisite to treat the target as tho it were phony.
 FORCE : ;
 
 # Add as a prerequisite to treat the target as tho it were phony.
 FORCE : ;


@@ -521,131 +632,86 @@ FORCE : ;
 # Don’t use any implicit rules.
 .SUFFIXES : ;
 
 # Don’t use any implicit rules.
 .SUFFIXES : ;
 

-# Phony rules; always consider these out·of·date.
-.PHONY : FORCE all default clean gone info install list listout uninstall $(call built,$(recursivefiles)) ;
+# Don’t delete these files even if Make is stopped in the process of rebuilding them.
+.PRECIOUS : $(THISDIR)/GNUmakefile ;

 
 

-ifneq ($(typeupdates)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
-# Reload this make·file if the dependency graph or output destinations have changed.
-#
-# The dependency graph and output destinations are used to set the values of variables in this make·file, so it’s important to ensure that they are actually up·to·date prior to executing any later rules.
-#
-# This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
-#
-# ※ There is a chance that generating the dependencies will also update the parsers.
-$(THISDIR)/GNUmakefile :: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
-       $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
-ifeq ($(typeupdates),)
-       @if $(TEST) ! -f $(call quote,$(BUILDDIR)/.update-types); then $(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'; fi
-else
-       $(silent)$(RM) $(BUILDDIR)/.update-types
-       @$(PRINTF) '%b\n' '\0033[1mDependency graph and output destinations updated. Restarting…\0033[22m'
-endif
-endif
+# Phony rules; always consider these out·of·date.
+.PHONY : FORCE all install list listout uninstall $(call built,$(recursivefiles)) ;

 
 

-ifeq ($(typeupdates),)
-# Reload this make·file if any of the magic files or parsers have changed.
-#
-# These are used to classify source files, so if they have changed then the make·file must be reloaded.
+# Reload this make·file if the transform has changed.

 #
 #

-# This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
-$(THISDIR)/GNUmakefile :: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
+# This also captures any changes to dependencies or destinations.
+$(THISDIR)/GNUmakefile : $(BUILDDIR)/transform.xslt

        $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
        $(silent)$(TOUCH) $(THISDIR)/GNUmakefile

-       $(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
-       @$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'
-       $(silent)$(SLEEP) 1
-       $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
-endif
+       $(if $(typeupdates),$(silent)$(RM) $(call quote,$(BUILDDIR)/.update-types),)
+       $(call inform,$(PRINTF) '%b\n' '\0033[1mDependency graph$(comma) output destinations$(comma) and transforms were updated. Restarting…\0033[22m' >&2)

 
 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 
 
 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 

-# Create symbolic links from the build directory’s store of magic files to their corresponding sources.
-$(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/% : $$(call magicsource,$$@)
+# Generate R·D·F metadata for files.
+$(call metadata,$(sourcefiles) $(sourceincludes)) : % : $$(call datadata,$$@) $(THISDIR)/.metadata-format-changed-since $(typeupdates)
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Generating metadata for `$<´…) >&2)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
-
-# Generate the compiled magic file from its sources.
-#
-# It must be updated if any of the files in the magic directory change.
-$(BUILDDIR)/magic.mgc : $(call diffprereqs,magic,$(sort $(call magicfile,$(MAGIC))))
-       $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
-       @$(ECHO) "Compiling new magic…"
-       $(silent)$(call ensuredirectory,$(dir $@))
-       $(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
-       $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
-
-# Generate the main parser.
-$(BUILDDIR)/parser.catalog : $(call diffprereqs,parsers,$(sort $(PARSERS)))
-       @$(ECHO) "Generating catalog of parsers…"
-       $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
-       $(foreach parser,$(PARSERS),$(silent)( $(call id,$(parser)) ) | $(XARGS) -I %% $(XMLCATALOG) --add uri %% $(call quote,$(call fileuri,$(parser))) --noout $(call quote,$@)$(newline))
-$(BUILDDIR)/parser.xslt : $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
-       @$(ECHO) "Generating main parser…"
-       $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<)
-       $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
+       $(silent){ if $(TEST) ! -f $(call quote,$(BUILDDIR)/.mtime); then $(PRINTF) '%b' '\n' >|$(call quote,$(BUILDDIR)/.mtime); fi; $(TOUCH) -r $(call quote,$<) $(call quote,$(BUILDDIR)/.mtime); $(DIFF) -u $(call quote,$(BUILDDIR)/.mtime) /dev/null | $(SED) '1!d;s/.*   \([^ ]*\) \([^ ]*\).*$$/\1T\2Z/'; $(CKSUM) $(call quote,$<) | $(SED) 's/[ ].*//'; } | $(xargsmultiquote) | $(XARGS) -E '' $(PRINTF) '<?xml version="1.0"?><书社vocab:$(if $(filter $<,$(sourceincludes)),IncludeFile,SourceFile) xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#" xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:书社vocab="urn:fdc:ladys.computer:20231231:Shu1She4:vocab:" rdf:about="%s" 书社vocab:path="%s" nfo:fileUrl="%s"><nie:interpretedAs>$(if $(filter $<,$(assetfiles)),<nfo:InformationElement nie:mimeType="%s"/>,<nfo:PlainTextDocument nie:mimeType="%s"/>)</nie:interpretedAs><书社vocab:hasParsedFile nfo:fileUrl="%s"/><nfo:fileLastModified rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">%s</nfo:fileLastModified><nfo:hasHash nfo:hashAlgorithm="CRC32" nfo:hashValue="%s"/></书社vocab:$(if $(filter $<,$(sourceincludes)),IncludeFile,SourceFile)>' $(call quote,$(call attresc,$(call localuri,$<))) $(call quote,$(call attresc,$(if $(filter $<,$(sourceincludes)),$(call includepath,$<),$(call sourcepath,$<)))) $(call quote,$(call attresc,$(call fileuri,$<))) $(call quote,$(call attresc,$(call typeoffile,$<))) $(call quote,$(call attresc,$(call fileuri,$(call parsed,$<)))) >|$(call quote,$@)

 
 # Parse the files.
 #
 # Even plain X·M·L files are parsed, because they may contain X·H·T·M·L `<script>´ elements which contain other kinds of data.
 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.
 
 # Parse the files.
 #
 # Even plain X·M·L files are parsed, because they may contain X·H·T·M·L `<script>´ elements which contain other kinds of data.
 # Asset files are turned into H·T·M·L embeds pointing to `data:´ U·R·I’s.

-$(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(BUILDDIR)/parser.xslt $(typeupdates)
-       @$(PRINTF) '%s\n' $(call quote,Processing `$<´…)
+$(call parsed,$(sourcefiles) $(sourceincludes)) : % : $$(call unparsed,$$@) $(BUILDDIR)/parser.xslt $(PARSERLIBS) $(typeupdates)
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Processing `$<´…) >&2)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)$(if $(filter $<,$(assetfiles)),$(PRINTF) '%s\n' $(call quote,<object xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$<)" data="$(call datauri,$<)"/>) > $(call quote,$@),$(if $(filter $<,$(plaintextfiles)),$(call wrapplaintext,$<),$(call serializexml,$<)) | $(XSLTPROC) --nonet --novalid -o $(call quote,$@) --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam IDENTIFIER $(call quote,$(call localuri,$<)) --stringparam SRCTIME '$(call modtime,$<)' --stringparam CKSUM $$($(CKSUM) $(call quote,$<) | $(SED) 's/[ ].*//')$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/parser.xslt) -)
+       $(silent)$(if $(filter $<,$(assetfiles)),$(PRINTF) '%s\n' $(call quote,<?xml version="1.0"?><object xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$<)" data="$(call datauri,$<)"/>) >|$(call quote,$@),$(if $(filter $<,$(plaintextfiles)),$(call wrapplaintext,$<),$(call serializexml,$<)) | $(XSLTPROC) --nonet --novalid --nomkdir --nowrite --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam IDENTIFIER $(call quote,$(call localuri,$<))$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/parser.xslt) - >|$(call quote,$@))

 
 

-# Generate a catalog of all parsed files, for use when processing includes.
+# Collect the metadata into a single file, and generate the dependencies and destinations files as side·effects.

 #
 #

-# This does not depend on actually transforming the files.
-$(BUILDDIR)/catalog : $(call diffprereqs,sources,$(sort $(sourcefiles) $(sourceincludes))) $(typeupdates)
-       @$(ECHO) "Generating catalog of parsed files…"
-       $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
-       $(foreach source,$(sourcefiles) $(sourceincludes),$(silent)$(XMLCATALOG) --add uri $(call quote,$(call localuri,$(source))) $(call quote,$(call fileuri,$(call parsed,$(source)))#$(if $(filter $(source),$(assetfiles)),asset,xml)) --noout $(call quote,$@)$(newline))
-
-# Build a list of dependencies for each parsed file.
-$(BUILDDIR)/dependencies : $(BUILDDIR)/catalog $(call parsed,$(plaintextfiles) $(xmlfiles)) $(THISDIR)/lib/catalog2dependencies.xslt
-       @$(ECHO) "Identifying dependencies…"
-       $(silent)$(TOUCH) $(call quote,$@)
-       $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2dependencies.xslt) $(call quote,$<)
-
-# Generate a catalog of destinations for files.
-#
-# This depends on parsing non·asset source files, but not assets or includes.
-# It does not require knowing the dependencies.
-$(BUILDDIR)/destinations : $(BUILDDIR)/catalog $(call parsed,$(filter-out $(assetfiles),$(sourcefiles))) $(THISDIR)/lib/catalog2destinations.xslt
-       @$(ECHO) "Identifying output destinations…"
-       $(silent)$(TOUCH) $(call quote,$@)
-       $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2destinations.xslt) $(call quote,$<)
+# Doing this all in one step reduces the number of calls to `xsltproc´ required, but requires that it be called from the build directory (necessitating a subshell).
+$(BUILDDIR)/dependencies $(BUILDDIR)/destinations $(BUILDDIR)/metadata : $(call diffprereqs,metadatas,$(call metadata,$(sort $(sourcefiles) $(sourceincludes)))) $(call parsed,$(filter-out $(assetfiles),$(sourcefiles) $(sourceincludes))) $(THISDIR)/lib/expandmetadata.xslt
+       $(call inform,$(PRINTF) '%s\n' 'Compiling metadata…' >&2)
+       $(silent){ $(PRINTF) '<?xml version="1.0"?><rdf:RDF xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#" xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:书社vocab="urn:fdc:ladys.computer:20231231:Shu1She4:vocab:"><书社vocab:BuildDirectory nfo:fileUrl="%s"/>' $(call quote,$(call attresc,$(call fileuri,$(BUILDDIR)))); {$(foreach meta,$(call metadata,$(sort $(sourcefiles) $(sourceincludes))), $(CAT) $(call quote,$(meta));) } | $(SED) 's/<?xml version="1.0"?>//g'; $(PRINTF) '%s\n' '</rdf:RDF>'; } | ( $(CD) $(call quote,$(BUILDDIR)); $(XSLTPROC) --nonet --novalid --nomkdir $(call quote,$(abspath $(THISDIR)/lib/expandmetadata.xslt)) - ) | $(XMLLINT) --nonet --nsclean - >|$(call quote,$(BUILDDIR)/metadata)

 
 # Generate the main transform.
 
 # Generate the main transform.

+#
+# Because this depends on the metadata, it will also update the dependencies and destinations.

 $(BUILDDIR)/transform.catalog : $(call diffprereqs,transforms,$(sort $(TRANSFORMS)))
 $(BUILDDIR)/transform.catalog : $(call diffprereqs,transforms,$(sort $(TRANSFORMS)))

-       @$(ECHO) "Generating catalog of transforms…"
+       $(call inform,$(PRINTF) '%s\n' 'Generating catalog of transforms…' >&2)

        $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
        $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)

-       $(foreach transform,$(TRANSFORMS),$(silent)( $(call id,$(transform)) ) | $(XARGS) -I %% $(XMLCATALOG) --add uri %% $(call quote,$(call fileuri,$(transform))) --noout $(call quote,$@)$(newline))
-$(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt
-       @$(ECHO) "Generating main transform…"
-       $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<)
+       $(foreach transform,$(TRANSFORMS),$(silent){ $(call id,$(transform)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(transform))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
+$(BUILDDIR)/transform.xslt : $(BUILDDIR)/transform.catalog $(BUILDDIR)/metadata $(THISDIR)/lib/literally.xslt $(THISDIR)/lib/catalog2transform.xslt
+       $(call inform,$(PRINTF) '%s\n' 'Generating main transform…' >&2)
+       $(silent)$(XSLTPROC) --nonet --novalid --nomkdir --nowrite --stringparam METADATA $(call quote,$(call fileuri,$(BUILDDIR))/metadata) $(call quote,$(THISDIR)/lib/catalog2transform.xslt) $(call quote,$<) >|$(call quote,$@)

 
 # Compile the result files using the dependencies as necessary.
 
 # Compile the result files using the dependencies as necessary.

-$(call compiled,$(compilablefiles)) : $(BUILDDIR)/results/% : $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
-       @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
+#
+# Altho this (obviously) depends on the main transform, it is not listed as a prerequisite (rather, the main transform is listed as a prerequisite for the make·file writ large). This is because the transform will update after every metadata change (i·e, basically constantly), but compiled files should only actually be updated in two cases :⁠—
+#
+# • When one of the actual transforms are updated (tracked by `transform.catalog´), and
+# • When the metadata of ⹐source files they depend on⹑ change.
+#
+# This is to reduce the number of needless regenerations of files with no substantial change.
+$(call compiled,$(compilablefiles)) : $(BUILDDIR)/results/% : $$(call parsed,$$(call uncompiled,$$@)) $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@))) $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog2transform.xslt $(TRANSFORMLIBS) $$(call metadata,$$(call dependencies,$$(call uncompiled,$$@)))
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Compiling </$*>…) >&2)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam SRCTIME '$(call modtime,$(call uncompiled,$@))' --stringparam IDENTIFIER $(call quote,$(call localuri,$(call uncompiled,$@))) --stringparam PATH $(call quote,/$*) --stringparam CKSUM $$($(CKSUM) $(call quote,$(call uncompiled,$@)) | $(SED) 's/[ ].*//')$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
+       $(silent)$(XSLTPROC) --nonet --novalid --nomkdir --nowrite --stringparam METADATA 'metadata' --stringparam BUILDTIME $$($(DATE) -u '+%Y-%m-%dT%H:%M:%SZ') --stringparam IDENTIFIER $(call quote,$(call localuri,$(call uncompiled,$@)))$(if $(THISREV), --stringparam THISREV $(call quote,$(THISREV)),)$(if $(SRCREV), --stringparam SRCREV $(call quote,$(SRCREV)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<) >|$(call quote,$@)

 
 # Create the final files from the compiled results (or error in the case of recursive ones).
 
 # Create the final files from the compiled results (or error in the case of recursive ones).

-$(call built,$(compilablefiles)) : $(BUILDDIR)/public/% : $(BUILDDIR)/results/%
-       @$(PRINTF) '%s\n' $(call quote,Building </$*>…)
+$(call built,$(compilablefiles)) : $(BUILDDIR)/public/% : $(BUILDDIR)/results/% $(THISDIR)/lib/archive2extractor.xslt
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$*>…) >&2)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

+       $(silent)$(RM) -f -R $(call quote,$@)

        $(silent)$(call processresultto,$<,$@,$*)
 $(call built,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call unbuilt,$$@)
        $(silent)$(call processresultto,$<,$@,$*)
 $(call built,$(filter $(assetfiles),$(sourcefiles))) : $(BUILDDIR)/public/% : $$(call unbuilt,$$@)

-       @$(PRINTF) '%s\n' $(call quote,Building </$*>…)
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$*>…) >&2)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

+       $(silent)$(RM) -f -R $(call quote,$@)

        $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 
 # Install compiled files (or error in the case of recursive ones).
 $(call installed,$(recursivefiles) $(installablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%
        $(silent)$(CP) $(call quote,$<) $(call quote,$@)
 
 # Install compiled files (or error in the case of recursive ones).
 $(call installed,$(recursivefiles) $(installablefiles)) : $(DESTDIR)/% : $(BUILDDIR)/public/%

-       @$(PRINTF) '%s\n' $(call quote,Installing </$*>…)
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Installing </$*>…) >&2)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)$(CP) $(call quote,$<) $(call quote,$@)
-       $(silent)for associated in $$($(call associatedfiles,$(dir $<),$(notdir $<))); do $(PRINTF) '%s\n' "$$associated" | $(SED) 's/^\(.*\)"{\(.*\)}"\(.*\)$$/\1\2\3/' | $(XARGS) -0 $(PRINTF) '%s%s\n' $(call quote,$(dir $@)) | $(XARGS) -0 $(CP) $(call quote,$(dir $<))"$$associated"; done
+       $(silent)$(RM) -f -R $(call quote,$@)
+       $(silent)$(CP) -R $(call quote,$<) $(call quote,$@)

 
 # ━ § BEGIN ARCHIVE MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
 
 # ━ § BEGIN ARCHIVE MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 


@@ -664,97 +730,201 @@ endif
 
 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 
 
 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 

+# Don’t use any implicit rules.
+.SUFFIXES : ;
+
+# Don’t delete these files even if Make is stopped in the process of rebuilding them.
+.PRECIOUS : $(THISDIR)/GNUmakefile ;
+

 # Reload this make·file if the archive components have changed.
 $(THISDIR)/GNUmakefile : $(BUILDDIR)/index
        $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 # Reload this make·file if the archive components have changed.
 $(THISDIR)/GNUmakefile : $(BUILDDIR)/index
        $(silent)$(TOUCH) $(THISDIR)/GNUmakefile

-       @$(PRINTF) '%b\n' $(call quote,\0033[1mArchive components for </$(NAME)> updated. Restarting…\0033[22m)
+       $(call inform,$(PRINTF) '%b\n' $(call quote,\0033[1mArchive components for </$(NAME)> updated. Restarting…\0033[22m) >&2)

 
 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 
 # Build the extractor transform for extracting the contents of the archive source file.
 $(BUILDDIR)/extractor.xslt : $(SRC) $(THISDIR)/lib/archive2extractor.xslt
        $(silent)$(call ensuredirectory,$(dir $@))
 
 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 
 # Build the extractor transform for extracting the contents of the archive source file.
 $(BUILDDIR)/extractor.xslt : $(SRC) $(THISDIR)/lib/archive2extractor.xslt
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) $(call quote,$(THISDIR)/lib/archive2extractor.xslt) $(call quote,$<)
+       $(silent)$(XSLTPROC) --nonet --novalid --nomkdir --nowrite $(call quote,$(THISDIR)/lib/archive2extractor.xslt) $(call quote,$<) >|$(call quote,$@)

 
 # Use the extractor transform to extract the archive source file out into its components.
 #
 # This target sleeps for 1 second to ensure the resulting index will always be newer than this make·file.
 
 # Use the extractor transform to extract the archive source file out into its components.
 #
 # This target sleeps for 1 second to ensure the resulting index will always be newer than this make·file.

+#
+# If the archive is empty, the index will not be written by `xsltproc´ and will need to be manually created.

 $(BUILDDIR)/index : $(BUILDDIR)/extractor.xslt $(SRC)
 $(BUILDDIR)/index : $(BUILDDIR)/extractor.xslt $(SRC)

-       @$(PRINTF) '%s\n' $(call quote,Extracting components for </$(NAME)>…)
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Extracting components for </$(NAME)>…) >&2)

        $(silent)$(SLEEP) 1
        $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --writesubtree $(call quote,$(dir $@)) $(call quote,$<) $(call quote,$(SRC))
        $(silent)$(SLEEP) 1
        $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --writesubtree $(call quote,$(dir $@)) $(call quote,$<) $(call quote,$(SRC))

+       $(silent)if $(TEST) ! -e $(call quote,$@); then $(TOUCH) $(call quote,$@); fi

 
 # All archive components are extracted alongside the index.
 $(foreach file,$(archivefiles),$(BUILDDIR)/extracted/$(file)) : $(BUILDDIR)/index ;
 
 # Process each extractor component into its final form.
 $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file)) : $(BUILDDIR)/files/% : $(BUILDDIR)/extracted/%
 
 # All archive components are extracted alongside the index.
 $(foreach file,$(archivefiles),$(BUILDDIR)/extracted/$(file)) : $(BUILDDIR)/index ;
 
 # Process each extractor component into its final form.
 $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file)) : $(BUILDDIR)/files/% : $(BUILDDIR)/extracted/%

-       @$(PRINTF) '%s\n' $(call quote,Building </$(NAME)/$*>…)
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Building </$(NAME)/$*>…) >&2)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

+       $(silent)$(RM) -f -R $(call quote,$@)

        $(silent)$(call processresultto,$<,$@,$*)
 
 # Archive all components in the file to the destination.
 #
 # This is a match‐anything target, with the assumption that this make·file is being called recursively from the default mode.
        $(silent)$(call processresultto,$<,$@,$*)
 
 # Archive all components in the file to the destination.
 #
 # This is a match‐anything target, with the assumption that this make·file is being called recursively from the default mode.

-$(DESTDIR)/% : $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file))
-       @$(PRINTF) '%s\n' $(call quote,Archiving </$(NAME)>…)
+$(DESTDIR)/% : $(SRC) $(foreach file,$(archivefiles),$(BUILDDIR)/files/$(file))
+       $(call inform,$(PRINTF) '%s\n' $(call quote,Archiving </$(NAME)>…) >&2)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)cd $(call quote,$(BUILDDIR)/files); $(PRINTF) '%s\n' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -w > $(call quote,$(abspath $@))
+       $(silent)$(RM) -f -R $(call quote,$@)
+       $(silent)$(call ensuredirectory,$(BUILDDIR)/files)
+       $(silent)$(CD) $(call quote,$(BUILDDIR)/files); if $(call xpath,/*/@*[local-name()="expanded" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"],$(abspath $<)); then $(MKDIR) -p $(call quote,$(abspath $@)); $(PRINTF) '$(if $(archivefiles),%s\n,)' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -r -w $(call quote,$(abspath $@)); else $(PRINTF) '$(if $(archivefiles),%s\n,)' $(foreach file,$(archivefiles),$(call quote,$(file))) | $(PAX) -w -x ustar >|$(call quote,$(abspath $@)); fi

 
 

-# ━ § BEGIN PAGED MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+# ━ § BEGIN INITIAL MAKE·FILE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

 
 

-else ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:paged)
+else ifeq ($(MODE),urn:fdc:ladys.computer:20231231:Shu1She4:mode:initial)

 
 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 
 
 # ─ ¶ Non‐Recipe Variable Definitions ─────────────────────────────────
 

-# Get the list of pages.
-ifneq ($(wildcard $(BUILDDIR)/index),)
-override pagefiles := $(patsubst ./pages/%,%,$(shell $(CAT) $(call quote,$(BUILDDIR)/index)))
+# Non·empty if this is a two‐step build.
+override twostep := $(if $(DATADIR),$(call not,$(shell for dir in $(foreach dir,$(DATADIR),$(call quote,$(dir))); do if $(TEST) '!' -d "$$dir"; then $(PRINTF) '%s\n' '0'; fi; done)),)
+
+# Pair each source magic file with its location in the build directory.
+override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(call namehash,$(magicfile)))
+
+# (callable) Get the source file for the given magic files.
+override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
+
+# (callable) Get the build file for the given magic files.
+override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
+
+# Pair each parser with its file u·r·i.
+override fileuripairs := $(join $(patsubst %,%|,$(PARSERS)),$(call pathenc,$(foreach uriable,$(PARSERS),file://$(abspath $(uriable)))))
+
+# (callable) Get the file u·r·is for the given parsers.
+override fileuri = $(foreach file,$1,$(or $(patsubst $(file)|%,%,$(filter $(file)|%,$(fileuripairs))),$(error Unable to get file u·r·i for `$(file)´)))
+
+ifeq ($(twostep),)
+# (overridable) Options to use when calling ⛩📰 书社.
+shusheopts := MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:default'
+else
+# (overridable) Options to use when calling ⛩📰 书社 the first time.
+shushedataopts := INCLUDEDIR=$(call quote,$(DATADIR)) BUILDDIR=$(call quote,$(BUILDDIR)/data) FINDRULES=$(subst $$,$$$$,$(call quote,$(FINDRULES) -a '(' $(FINDDATARULES) ')')) FINDINCLUDERULES=$(subst $$,$$$$,$(call quote,$(FINDINCLUDERULES))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:default'
+
+# (overridable) Options to use when calling ⛩📰 书社 the second time.
+shushesiteopts := INCLUDEDIR=$(call quote,$(INCLUDEDIR) $(BUILDDIR)/data/public) BUILDDIR=$(call quote,$(BUILDDIR)/site) FINDRULES=$(subst $$,$$$$,$(call quote,$(FINDRULES) -a '!' '(' $(FINDDATARULES) ')')) FINDINCLUDERULES=$(subst $$,$$$$,$(call quote,$(FINDINCLUDERULES))) MODE='urn:fdc:ladys.computer:20231231:Shu1She4:mode:default'

 endif
 
 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 
 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 
 endif
 
 # ─ ¶ Recipe Variable Definitions ─────────────────────────────────────
 
 # ─ ¶ Phony Targets ───────────────────────────────────────────────────
 

+ifeq ($(twostep),)
+all install list listout uninstall : $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
+       @$(MAKE) -f $(call quote,$(makefile)) $@ $(shusheopts)
+else
+all : $(BUILDDIR)/site/magic.mgc $(BUILDDIR)/site/parser.xslt data
+       @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts)
+install uninstall : all
+       @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushedataopts)
+       @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts)
+list : $(BUILDDIR)/site/magic.mgc $(BUILDDIR)/site/parser.xslt data
+       @$(PRINTF) '%b' $(call quote,\0033[1;7m||Stage|1:||\0033[22;27m\0033[4m||||||||||||||||||||\0033[24m ) | $(TR) ' |' '\n '
+       @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushedataopts)
+       @$(PRINTF) '%b' $(call quote, \0033[1;7m||Stage|2:||\0033[22;27m\0033[4m||||||||||||||||||||\0033[24m ) | $(TR) ' |' '\n '
+       @$(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts)
+listout : $(BUILDDIR)/site/magic.mgc $(BUILDDIR)/site/parser.xslt data
+       @{ $(MAKE) -f $(call quote,$(makefile)) $@ $(shushedataopts); $(MAKE) -f $(call quote,$(makefile)) $@ $(shushesiteopts); } | $(SED) '$$!s/$$/ /' | $(TR) -d '\n'
+list1 listout1 : %1 : $(BUILDDIR)/data/magic.mgc $(BUILDDIR)/data/parser.xslt
+       @$(MAKE) -f $(call quote,$(makefile)) $* $(shushedataopts)
+list2 listout2 : %2 : $(BUILDDIR)/site/magic.mgc $(BUILDDIR)/site/parser.xslt data
+       @$(MAKE) -f $(call quote,$(makefile)) $* $(shushesiteopts)
+endif
+
+# Destroy buildfiles.
+clean :
+       $(if $(BUILDDIR),$(silent)$(RM) -f -R $(call quote,$(BUILDDIR)/),)
+
+ifneq ($(twostep),)
+# Build the data and remove outdated data files.
+data : $(BUILDDIR)/data.out
+       $(silent)$(FIND) $(call quote,$(BUILDDIR)/data/public) '!' '(' -exec $(GREP) -F -q -x '{}' $(call quote,$<) ';' -a -prune ')' -a '(' -type d -o -print ')' | $(xargsmultiquote) | $(XARGS) -E '' $(RM)
+endif
+
+# Provide help.
+help :
+       @$(PRINTF) '%b' '$(subst $(newline),\n,$(makefileinfo))'
+
+# Destroy build directory and installed files.
+gone : uninstall clean ;
+
+# Add as a prerequisite to treat the target as tho it were phony.
+FORCE : ;
+

 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 
 # ─ ¶ Special Targets ─────────────────────────────────────────────────
 

-# Reload this make·file if the pages have changed.
-$(THISDIR)/GNUmakefile : $(BUILDDIR)/index
-       $(silent)$(TOUCH) $(THISDIR)/GNUmakefile
-       @$(PRINTF) '%b\n' $(call quote,\0033[1mPages for </$(NAME)> updated. Restarting…\0033[22m)
+# Perform secondary expansion; this enables pattern rules to determine their prerequisites based on the matched pattern.
+.SECONDEXPANSION : ;
+
+# Don’t use any implicit rules.
+.SUFFIXES : ;
+
+# Phony rules; always consider these out·of·date.
+.PHONY : FORCE all clean gone install list listout uninstall$(if $(DATADIR), data list1 listout1 list2 listout2,) ;

 
 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 
 
 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 

-# Build the extractor transform for extracting the pages of the paged source file.
-$(BUILDDIR)/extractor.xslt : $(SRC) $(THISDIR)/lib/paged2extractor.xslt
+# Create symbolic links from the build directory’s store of magic files to their corresponding sources.
+$(call magicfile,$(MAGIC)) : $(BUILDDIR)/magic/% : $$(call magicsource,$$@)

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --stringparam NAME $(call quote,$(call notdir,$<)) $(call quote,$(THISDIR)/lib/paged2extractor.xslt) $(call quote,$<)
+       $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)

 
 

-# Use the extractor transform to extract the paged source file out into its pages.
+# Generate the compiled magic file from its sources.

 #
 #

-# This target sleeps for 1 second to ensure the resulting index will always be newer than this make·file.
-$(BUILDDIR)/index : $(BUILDDIR)/extractor.xslt $(SRC)
-       @$(PRINTF) '%s\n' $(call quote,Extracting pages for </$(NAME)>…)
-       $(silent)$(SLEEP) 1
-       $(silent)$(XSLTPROC) --nonet --novalid -o $(call quote,$@) --writesubtree $(call quote,$(dir $@)) $(call quote,$<) $(call quote,$(SRC))
+# It must be updated if any of the files in the magic directory change.
+$(BUILDDIR)/magic.mgc : $(call diffprereqs,magic,$(sort $(call magicfile,$(MAGIC))))
+       $(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
+       $(call inform,$(PRINTF) '%s\n' 'Compiling new magic…' >&2)
+       $(silent)$(call ensuredirectory,$(dir $@))
+       $(silent)$(CD) $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
+       $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)

 
 

-# All other pages are extracted alongside the base.
-$(foreach file,$(pagefiles),$(BUILDDIR)/pages/$(file)) : $(BUILDDIR)/index ;
+# Generate the main parser.
+$(BUILDDIR)/parser.catalog : $(call diffprereqs,parsers,$(sort $(PARSERS)))
+       $(call inform,$(PRINTF) '%s\n' 'Generating catalog of parsers…' >&2)
+       $(silent)$(XMLCATALOG) --create --noout $(call quote,$@)
+       $(foreach parser,$(PARSERS),$(silent){ $(call id,$(parser)); $(PRINTF) '%s\n' $(call quote,$(call fileuri,$(parser))) '--noout' $(call quote,$@); } | $(xargsmultiquote) | $(XARGS) -E '' $(XMLCATALOG) --add uri$(newline))
+$(BUILDDIR)/parser.xslt : $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parser.xslt
+       $(call inform,$(PRINTF) '%s\n' 'Generating main parser…' >&2)
+       $(silent)$(XSLTPROC) --nonet --novalid --nomkdir --nowrite $(call quote,$(THISDIR)/lib/catalog2parser.xslt) $(call quote,$<) >|$(call quote,$@)
+       $(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)

 
 

-# Process each page into its final form.
-$(foreach file,$(pagefiles),$(BUILDDIR)/public/$(file)) : $(BUILDDIR)/public/% : $(BUILDDIR)/pages/%
-       @$(PRINTF) '%s\n' $(call quote,Building page `$(subst }",,$(subst "{,,$*))´ of </$(NAME)>…)
+ifneq ($(twostep),)
+$(BUILDDIR)/data/magic.mgc $(BUILDDIR)/data/parser.xslt : $(BUILDDIR)/data/% : $(BUILDDIR)/$$*

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)$(call processresultto,$<,$@,$*)
+       $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
+$(BUILDDIR)/site/magic.mgc $(BUILDDIR)/site/parser.xslt : $(BUILDDIR)/site/% : $(BUILDDIR)/$$*
+       $(silent)$(call ensuredirectory,$(dir $@))
+       $(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
+$(BUILDDIR)/data.out : $(BUILDDIR)/data/magic.mgc $(BUILDDIR)/data/parser.xslt FORCE
+       @$(MAKE) -f $(call quote,$(makefile)) $(shushedataopts)
+       @$(MAKE) -s -f $(call quote,$(makefile)) listout QUIET=1 $(shushedataopts) | $(TR) ' ' '\n' | $(xargsmultiquote) | $(XARGS) -E '' $(PRINTF) $(call quote,$(BUILDDIR)/data/public/%s\n) >$(call quote,$(BUILDDIR)/data.out)
+endif

 
 

-# Archive all components in the file to the destination.
-#
-# This is a match‐anything target, with the assumption that this make·file is being called recursively from the default mode.
-$(DESTDIR)/% : $(foreach file,$(pagefiles),$(BUILDDIR)/public/$(file))
-       @$(PRINTF) '%s\n' $(call quote,Collecting pages for </$(NAME)>…)
+ifeq ($(twostep),)
+$(BUILDDIR)/lastprereqs/% : ;
+$(BUILDDIR)/% : $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt FORCE
+       @$(MAKE) -f $(call quote,$(makefile)) $(call quote,$@) $(shusheopts)
+$(DESTDIR)/% : $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt FORCE
+       @$(MAKE) -f $(call quote,$(makefile)) $(call quote,$@) $(shusheopts)
+else
+$(BUILDDIR)/data/% : $(BUILDDIR)/data/magic.mgc $(BUILDDIR)/data/parser.xslt FORCE
+       @$(MAKE) -f $(call quote,$(makefile)) $(call quote,$@) $(shushedataopts)
+$(BUILDDIR)/site/% : $(BUILDDIR)/site/magic.mgc $(BUILDDIR)/site/parser.xslt data

        $(silent)$(call ensuredirectory,$(dir $@))
        $(silent)$(call ensuredirectory,$(dir $@))

-       $(silent)$(call removeassociatedfiles,$@)
-       $(silent)cp $(foreach file,$(pagefiles),$(call quote,$(BUILDDIR)/public/$(file))) $(DESTDIR)
+       @$(MAKE) -f $(call quote,$(makefile)) $(call quote,$@) $(shushesiteopts)
+$(DESTDIR)/% : $(BUILDDIR)/site/magic.mgc $(BUILDDIR)/site/parser.xslt data
+       @$(MAKE) -f $(call quote,$(makefile)) $(call quote,$@) $(if $(shell $(GREP) -F -x $(call quote,$(BUILDDIR)/data/$*) $(BUILDDIR)/data.out),$(shushedataopts),$(shushesiteopts))
+endif

 
 # ━ § END DEFINED MAKE·FILE MODES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
 
 # ━ § END DEFINED MAKE·FILE MODES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━