X-Git-Url: https://git.ladys.computer/Shushe/blobdiff_plain/3b95dc8ebe87a047ee477dd6a0677616ead3ff2f..b38943b97abaeb6f595b4f561b1dd30a6ba89f8e:/README.markdown diff --git a/README.markdown b/README.markdown index 7f5e1df..6b865ae 100644 --- a/README.markdown +++ b/README.markdown @@ -24,7 +24,7 @@ It aims to do this with zero dependencies beyond the programs already installed on your computer†. † Assuming an operating system with a fairly featureful, and - Posix‐compliant, development setup (e·g, macOS). + Posix‐compliant, development setup (e·g, Macintosh ≥ version 10.8). In fact, on Linux you will probably need to install a few programs: `libxml2-utils`, `xsltproc`, `sharutils`, and `pax`. @@ -51,16 +51,33 @@ In Ascii environments, ⛩️📰 书社 should be written `Shushe`, following ## Prerequisites In most cases, ⛩️📰 书社 aims to require only functionality which is - present in all Posix‐compliant operating systems. + present in all Posix‐compliant (`POSIX.1-2001`) operating systems. There are a few exceptions. Details on particular programs are given below; if a program is not listed, it is assumed that any Posix‐compliant implementation will work. +### `diff` + +This is a Posix utility, but ⛩️📰 书社 depends on functionality + introduced after `POSIX.1-2001` (the `-u` option, introduced in + `POSIX.1-2008`). +Macintosh systems somewhat interestingly implement this option + correctly in legacy mode (`COMMAND_MODE=legacy`) but incorrectly by + default (despite claiming `POSIX.1-2008` conformance for this + utility). +[Note this erroneous comment claiming nanosecond & timezone are + extensions rather than standardized.][rdar-92753335] +Despite this, the default Macintosh implementation will still work with + ⛩️📰 书社, with the caveat that the timestamp will only include a + fractional component when a Posix⹀compliant (e·g, Macintosh legacy or + G·N·U) implementation is used. + ### `file` -This is a Posix utility, but ⛩️📰 书社 currently depends on - unspecified behaviour. +This is a Posix utility, but it was considered optional in + `POSIX.1-2001` (altho it was made mandatory in `POSIX.1-2008`) and + ⛩️📰 书社 currently depends on unspecified behaviour. It requires support for the following additional options :⁠— - **`-C`**, when supplied with `-m`, must be useable to compile a @@ -88,8 +105,9 @@ To disable it, set `GIT=`. ### `make` -This is a Posix utility, but ⛩️📰 书社 currently depends on - unspecified behaviour. +This is a Posix utility, but it is considered an optional Software + Development utility and ⛩️📰 书社 currently depends on unspecified + behaviour. ⛩️📰 书社 requires specifically the G·N·U version of `make`, and depends on functionality present in version 3.81 or later. It is not expected to work in previous versions, or with other @@ -97,27 +115,30 @@ It is not expected to work in previous versions, or with other ### `pax` -This is a Posix utility, but not included in the Linux Standard Base or - installed by default in many distributions. -Only `ustar` format support is required. +This is a Posix utility, but it is not included in the Linux Standard + Base or installed by default in many distributions. +⛩️📰 书社 only requires support for the `ustar` format. ### `uudecode` and `uuencode` -These are Posix utilities, but not included in the Linux Standard Base - or installed by default in many distributions. +These are Posix utilities, but they were considered optional in + `POSIX.1-2001` (altho they are made mandatory in `POSIX.1-2008`) and + they are not included in the Linux Standard Base or installed by + default in many distributions. The G·N·U [Sharutils](https://www.gnu.org/software/sharutils/) package - can be installed to access them. + provides one implementation. ### `xmlcatalog` and `xmllint` These are not a Posix utilities. -They is a part of `libxml2`, but may need to be installed separately - (e·g by the name `libxml2-utils`). +They are a part of `libxml2`, but may need to be installed separately + on some platforms (e·g by the name `libxml2-utils`). ### `xsltproc` This is not a Posix utility. -It is a part of `libxslt`, but may need to be installed separately. +It is a part of `libxslt`, but may need to be installed separately on + some platforms. ## Basic Usage @@ -296,6 +317,11 @@ The following additional variables can be used to control the behaviour A white·space‐separated list of media types or media type suffixes to consider X·M·L (default: `application/xml text/xml +xml`). +- **`FINALIZE`:** + A program to run on (unspecial) X·M·L files after they are + transformed (default: `xmllint --nonet --nsclean`). + This variable can be used for postprocessing. + - **`THISREV`:** The current version of ⛩️📰 书社 (default: derived from the current git tag/branch/commit). @@ -702,3 +728,4 @@ Most source files are licensed under the terms of the Mozilla [REUSE]: [draft-phillips-record-jar-01]: +[rdar-92753335]: