X-Git-Url: https://git.ladys.computer/Shushe/blobdiff_plain/2024d501192c7399c0791dec5ba0d3004613aefc..0eeb118f004d6a30beb81a80ffe1e5797dde883f:/README.markdown

diff --git a/README.markdown b/README.markdown
index 1973e02..e99255b 100644
--- a/README.markdown
+++ b/README.markdown
@@ -21,9 +21,21 @@ It makes things easier by :⁠—
 - Enabling easy inclusion of source files within each other.
 
 It aims to do this with zero dependencies beyond the programs already
-  installed on your computer.
-(On Linux machines, you may need to install `libxml2-utils` to get the
-  commandline programs from `libxml2`.)
+  installed on your computer†.
+
+† The only non‐Posix programs‡ required are those provided by `libxml2`
+  and `libxslt` (which most operating systems provide), but on Linux
+  machines the commandline utilities may need to be installed
+  separately as **`libxml2-utils`** and **`xsltproc`**.
+Additionally, not all Linux distributions bundle all necessary Posix
+  programs; on Debian (for example) you may need to separately install
+  **`sharutils`** for `uudecode` and `uuencode` and **`pax`** for
+  archiving.
+
+‡ This make·file also currently depends on non‐Posix `stat` but
+  attempts to handle both the G·N·U and B·S·D variants.
+It expects `xargs` to accept a `-0` option, which, while widely
+  supported, is not a part of the Posix standard.
 
 **Note:**
 ⛩️📰 书社 requires functionality present in G·N·U Make 3.81 (or later)
@@ -73,9 +85,13 @@ Compilation involves the following steps :⁠—
 5. ⛩️📰 书社 uses the dependency tree to establish prerequisites for
     each output file.
 
-6. ⛩️📰 书社 compiles each output file to `build/public`.
+6. ⛩️📰 书社 compiles each output file to `build/result`.
 
-7. ⛩️📰 书社 copies the output files to `public`.
+7. ⛩️📰 书社 copies most output files from `build/result` to
+     `build/public`, but it does some additional processing instead on
+     those which indicate a non‐X·M·L desired final output form.
+
+8. ⛩️📰 书社 copies the final resulting files to `public`.
 
 You can use `make list` to list each identified source file or include
   alongside its computed type and dependencies.
@@ -83,19 +99,23 @@ As this is a Make‐based program, steps will only be run if the
   corresponding buildfile or output file is older than its
   prerequisites.
 
-## Namespaces
+## Name·spaces
 
-The ⛩️📰 书社 namespace is `urn:fdc:ladys.computer:20231231:Shu1She4`.
+The ⛩️📰 书社 name·space is `urn:fdc:ladys.computer:20231231:Shu1She4`.
 
-This document uses a few namespace prefixes, with the following
+This document uses a few name·space prefixes, with the following
   meanings :⁠—
 
-|   Prefix | Expansion                                  |
-| -------: | :----------------------------------------- |
-|  `html:` | `http://www.w3.org/1999/xhtml`             |
-| `xlink:` | `http://www.w3.org/1999/xlink`             |
-|  `xslt:` | `http://www.w3.org/1999/XSL/Transform`     |
-|  `书社:` | `urn:fdc:ladys.computer:20231231:Shu1She4` |
+|     Prefix | Expansion                                     |
+| ---------: | :-------------------------------------------- |
+| `catalog:` | `urn:oasis:names:tc:entity:xmlns:xml:catalog` |
+|    `exsl:` | `http://exslt.org/common`                     |
+| `exslstr:` | `http://exslt.org/strings`                    |
+|    `html:` | `http://www.w3.org/1999/xhtml`                |
+|     `svg:` | `http://www.w3.org/2000/svg`                  |
+|   `xlink:` | `http://www.w3.org/1999/xlink`                |
+|    `xslt:` | `http://www.w3.org/1999/XSL/Transform`        |
+|    `书社:` | `urn:fdc:ladys.computer:20231231:Shu1She4`    |
 
 ## Setup and Configuration
 
@@ -113,19 +133,22 @@ In every case, you may supply your own implementation by overriding the
 - `file`
 - `find`
 - `git` (optional; set `GIT=` to disable)
+- `grep`
 - `ln`
-- `mkdir` (requires support for `-p`)
+- `mkdir`
 - `mv`
-- `od` (requires support for `-t x1`)
+- `od`
+- `pax` (only when generating archives)
 - `printf`
 - `rm`
 - `sed`
 - `sleep`
-- `stat`
+- `stat` (BSD *or* GNU)
 - `test`
 - `touch`
-- `tr` (requires support for `-d`)
-- `uuencode` (requires support for `-m` and `-r`)
+- `tr`
+- `uuencode`
+- `uudecode`
 - `xargs` (requires support for `-0`)
 - `xmlcatalog` (provided by `libxml2`)
 - `xmllint` (provided by `libxml2`)
@@ -287,7 +310,7 @@ New ⛩️📰 书社 parsers which target plaintext formats should have an
   `<xslt:template>` element with no `@name` or `@mode` and whose
   `@match` attribute…
 
-- Starts with an appropriately‐namespaced qualified name for a
+- Starts with an appropriately‐name·spaced qualified name for a
     `<html:script>` element.
 
 - Follows this with the string `[@type=`.
@@ -344,7 +367,7 @@ Parsers are applied *prior* to embedding (and can be used to generate
   embeds); transforms are applied *after*.
 
 It is **strongly recommended** that auxillary templates in parsers be
-  namespaced (by `@name` or `@mode`) whenever possible, to avoid
+  name·spaced (by `@name` or `@mode`) whenever possible, to avoid
   conflicts between parsers.
 
 ### Attributes added during parsing
@@ -426,6 +449,33 @@ Transforms are used to convert X·M·L files into their final output,
   To undo this behaviour, remove the `@itemscope` and `@itemtype`
     attributes from the embed during the transformation phase.
 
+- **`transforms/serialization.xslt`:**
+  Replaces `<书社:serialize-xml>` elements with the (escaped)
+    serialized X·M·L of their contents.
+  This replacement happens during the application phase, after most
+    other transformations have taken place.
+
+  If a `@with-namespaces` attribute is provided, any name·space nodes
+    on the toplevel serialized elements whose U·R·I’s correspond to the
+    definitions of the provided prefixes, as defined for the
+    `<书社:serialize-xml>` element, will be declared using name·space
+    attributes on the serialized elements.
+  Otherwise, only name·space nodes which _differ_ from the definitions
+    on the `<书社:serialize-xml>` element will be declared.
+  The string `#default` may be used to represent the default
+    name·space.
+  Multiple prefixes may be provided, separated by white·space.
+
+  When it comes to name·spaces used internally by ⛩️📰 书社, the
+    prefix used by ⛩️📰 书社 may be declared _in addition to_ the
+    prefix(es) used in the source document(s).
+  It is not possible to selectively only declare one prefix for a
+    name·space to the exclusion of others.
+
+  `<书社:raw-output>` elements may be used inside of
+    `<书社:serialize-xml>` elements to inject raw output into the
+    serialized X·M·L.
+
 The following are recommendations on effective creation of
   transforms :⁠—
 
@@ -433,10 +483,10 @@ The following are recommendations on effective creation of
   It is likely an error if two transforms have templates which match
     the same element (unless the templates have different priority).
 
-- Namespace templates (with `@name` or `@mode`) whenever possible.
+- Name·space templates (with `@name` or `@mode`) whenever possible.
 
 - Set `@exclude-result-prefixes` on the root `xslt:transform` element
-    to reduce the number of declared namespaces in the final result.
+    to reduce the number of declared name·spaces in the final result.
 
 ## Global Params
 
@@ -522,8 +572,9 @@ This mechanism can be used to allow transforms to insert content
 Output wrapping can be entirely disabled by adding a
   `@书社:disable-output-wrapping` attribute to the top‐level element in
   the result tree.
-This attribute will also prevent wrapping non‐H·T·M·L embeds with an
-  `<html:div>`.
+It will not be performed on outputs whose root elements are
+  `<书社:archive>`, `<书社:base64-binary>`, or `<书社:raw-text>`
+  (described below).
 
 ## Applying Attributes
 
@@ -540,12 +591,37 @@ In both cases, attributes from various sources are combined with
 Attribute application takes place after all ordinary transforms have
   completed.
 
-Both elements ignore attributes in the `xml:` namespace, except for
+Both elements ignore attributes in the `xml:` name·space, except for
   `@xml:lang`, which ignores all but the first definition (including
   any already present on the root element).
 On H·T·M·L and S·V·G elements, `@lang` has the same behaviour as
   `@xml:lang`.
 
+## Other Kinds of Output
+
+There are a few special elements in the `书社:` name·space which, if
+  they appear as the toplevel element in a transformation result, cause
+  ⛩️📰 书社 to produce something other than an X·M·L file.
+They are :⁠—
+
+- **`<书社:archive>`:**
+  Each child element with a `@书社:archived-as` attribute will be
+    archived as a separate file in a resulting tarball (this attribute
+    gives the file name).
+  These elements will be processed the same as the root elements of any
+    other file (e·g, they will be wrapped; they can themselves specify
+    non X·M·L output types, ⁊·c).
+  Other child elements will be ignored.
+
+- **`<书社:base64-binary>`:**
+  The text nodes in the transformation result will, after removing all
+    Ascii whitespace, be treated as a Base·64 string, which is then
+    decoded.
+
+- **`<书社:raw-text>`:**
+  A plaintext (U·T·F‐8) file will be produced from the text nodes in
+    the transformation result.
+
 ## License
 
 This repository conforms to [REUSE][].