doc: Linkify man page references

Changed files
+23 -1
doc
nixos
doc
manual
+1
doc/Makefile
···
pandoc_flags = --extract-media=$(pandoc_media_dir) \
--lua-filter=$(PANDOC_LUA_FILTERS_DIR)/diagram-generator.lua \
--lua-filter=build-aux/pandoc-filters/myst-reader/roles.lua \
+
--lua-filter=build-aux/pandoc-filters/link-unix-man-references.lua \
--lua-filter=build-aux/pandoc-filters/docbook-writer/rst-roles.lua \
--lua-filter=build-aux/pandoc-filters/docbook-writer/labelless-link-is-xref.lua \
-f commonmark$(pandoc_commonmark_enabled_extensions)+smart
+3 -1
doc/contributing/contributing-to-documentation.chapter.md
···
This syntax is taken from [MyST](https://myst-parser.readthedocs.io/en/latest/using/syntax.html#targets-and-cross-referencing).
- []{#ssec-contributing-markup-inline-roles}
-
If you want to link to a man page, you can use ``{manpage}`nix.conf(5)```, which will turn into {manpage}`nix.conf(5)`.
+
If you want to link to a man page, you can use `` {manpage}`nix.conf(5)` ``, which will turn into {manpage}`nix.conf(5)`.
+
+
The references will turn into links when a mapping exists in {file}`doc/build-aux/pandoc-filters/unix-man-urls.lua`.
This syntax is taken from [MyST](https://myst-parser.readthedocs.io/en/latest/syntax/syntax.html#roles-an-in-line-extension-point). Though, the feature originates from [reStructuredText](https://www.sphinx-doc.org/en/master/usage/restructuredtext/roles.html#role-manpage) with slightly different syntax.
+1
nixos/doc/manual/md-to-db.sh
···
# - media extraction (was only required for diagram generator)
# - docbook-reader/citerefentry-to-rst-role.lua (only relevant for DocBook → MarkDown/rST/MyST)
"--lua-filter=$DIR/../../../doc/build-aux/pandoc-filters/myst-reader/roles.lua"
+
"--lua-filter=$DIR/../../../doc/build-aux/pandoc-filters/link-unix-man-references.lua"
"--lua-filter=$DIR/../../../doc/build-aux/pandoc-filters/docbook-writer/rst-roles.lua"
"--lua-filter=$DIR/../../../doc/build-aux/pandoc-filters/docbook-writer/labelless-link-is-xref.lua"
-f "commonmark${pandoc_commonmark_enabled_extensions}+smart"