Add support for systemd unit files (!86) · Merge requests · Frameworks / Syntax Highlighting Engine

An attempt on systemd unit files.

Some Features

The highlighting definition file is formatted using xmllint --format.
Highlighting of comments, supporting existing Alerts.
Styles for section headers and option names are similar to existing INI-file highlighting.
Support for folding of sections.
Only valid sections are highlighted. Invalid sections are ignored as a whole.
Sections starting with X- are recognized as extension section and highlighted in a specific style as a whole.
Only options valid within a specific section are highlighted. Invalid options are ignored, including options only valid in some other section.
Options starting with X- are recognized as extension option and highlighted in a specific style as a whole.
Highlighting of globs/wildcards where applicable.
Highlighting of specifiers like %h, %U where applicable.
Highlighting of escapes like \,, \b, \x0A, \012 in command lines.
Highlighting of valid values for many options.
Valid option names within a specific section, values for specific option types, valid specifiers, escapes, ... are extracted from systemd source files.