mirror of
https://github.com/Llewellynvdm/conky.git
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4d205ab9a3
Rewrite the gtksourceview highlighting file to make better use
of available syntax options. This allows us to separate various
contexts, and means we don't have to keep track of all conky
keywords.
Overview of changes:
* Use separate contexts for config block and "lit string".
* (lit string is the lua lit string [[ .. ]], we assume that
this is used to contain text sections or template blocks)
* Use "sub-string" highlighting to highlight parts of identifiers
separately.
* Added conky.text comments (from '#' to EOL).
* Remove lists of keywords and instead rely on syntax implications.
* Uses separate contexts for config 'key=val' and text '${var}'s.
* Match escape sequences more precisely.
* Lua and conky escape sequences matched separately; lua in normal
strings and conky in literal strings. See escapes note.
* Transition from camelCase to hyphen-separated names
* Reword README to reflect changes
Escapes note:
We also match conky template escape sequences when in lua literal
strings as it would be too messy to separate `conky.text` and
`templateN = ` literal strings.
We currently don't match time format escape sequences as this would
require knowing which text variable we are in. This is only possible
if we duplicate the `bracket-var` context (less painful than
duplicating the `lua-literal-string` context).
Signed-off-by: Matt Sturgeon <matt@sturgeon.me.uk>
327 lines
12 KiB
XML
327 lines
12 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<language id="conkyrc" _name="Conky" version="2.0" _section="Others">
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<metadata>
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<!-- This syntax highlighting will apply for any file with the sequence "conky"
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in the file name (or extension), I recommend to use you_config_name.conky
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for config files or alternatively conky_your_config_name
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Unfortunately this will also trigger the syntax highlighting for this document,
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you can always manually set this one back to XML.
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If you have a favourite custom format you can change the globs property to your
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personal preference. -->
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<property name="globs">*conky*</property>
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<property name="block-comment-start">--[[</property>
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<property name="block-comment-end">]]</property>
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</metadata>
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<styles>
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<style id="config-keyword" _name="Config keywords" map-to="def:keyword"/>
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<style id="text-keyword" _name="Text keywords" map-to="def:type"/>
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<style id="comment" _name="Comment" map-to="def:comment"/>
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<style id="escaped-char" _name="Escaped Character" map-to="def:special-char"/>
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<style id="path" _name="Paths and URLs" map-to="def:string"/>
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<style id="boolean" _name="Boolean" map-to="def:boolean"/>
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<style id="argument" _name="Arguments" map-to="def:preprocessor"/>
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<style id="brackets" _name="Text Variable Brackets ${ ... }" map-to="def:identifier"/>
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<style id="decimal" _name="Decimal" map-to="def:decimal"/>
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</styles>
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<definitions>
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<!-- ======================================================================================= -->
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<!-- Keep in mind gedit does not like < and >, use < and > instead! -->
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<!-- Use `ref="id:*"` to include all children of `id` instead of `id` itself -->
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<!-- ========================== Container contexts and structure =========================== -->
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<!-- "root structure" this is where it all begins -->
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<context id="conkyrc" class="no-spell-check">
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<include>
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<!-- Generic global stuff -->
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<!-- Comments -->
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<context ref="config-block-comment"/>
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<context ref="config-line-comment"/>
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<!-- end: Comments -->
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<!-- The settings block -->
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<context>
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<start>(?:(conky)\.(config)(?:\s|\n)*(=)(?:\s|\n)*(\{))</start>
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<end>\}</end>
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<include>
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<!-- Keyword mark highlighter -->
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<context sub-pattern="1" where="start" style-ref="config-keyword"/>
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<context sub-pattern="2" where="start" style-ref="text-keyword"/>
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<!-- end: Keyword mark highlighter -->
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<!-- Equals highlighter -->
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<context sub-pattern="3" where="start" style-ref="brackets"/>
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<!-- end: Equals highlighter -->
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<!-- Brackets highlighter -->
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<context sub-pattern="4" where="start" style-ref="brackets"/>
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<context sub-pattern="0" where="end" style-ref="brackets"/>
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<!-- end: Brackets highlighter -->
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<!-- Comments -->
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<context ref="config-block-comment"/>
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<context ref="config-line-comment"/>
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<!-- end: Comments -->
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<!-- key=val pair -->
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<context ref="config-option"/>
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<!-- end: key=val -->
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</include>
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</context>
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<!-- end: settings block -->
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<!-- The text block -->
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<context id="conky-text">
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<start>(?:(conky)\.(text)(?:\s|\n)*(=)(?:\s|\n)*)</start>
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<end>(?=.|$)</end><!-- End at anything as we only have one child -->
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<include>
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<!-- Keyword mark highlighter -->
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<context sub-pattern="1" where="start" style-ref="config-keyword"/>
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<context sub-pattern="2" where="start" style-ref="text-keyword"/>
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<!-- end: Keyword mark highlighter -->
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<!-- Equals highlighter -->
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<context sub-pattern="3" where="start" style-ref="brackets"/>
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<!-- end: Equals highlighter -->
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<!-- Literal Sub-String -->
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<!-- This is just a literal string, really -->
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<context ref="lua-lit-string"/>
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</include>
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</context>
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<!-- end: Text block -->
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</include>
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</context>
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<!-- end: root context -->
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<!-- ================================== Import groups ================================== -->
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<!-- Container for generic includes -->
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<!--<context id="generic-container">
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<include>
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</include>
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</context>-->
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<!-- end: Generic container -->
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<!-- ======================== Component contexts and structure ========================= -->
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<!-- Block comment, lua syntax -->
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<!-- Note: this will only highlight block comments outside the conky.text section -->
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<context id="config-block-comment" style-ref="comment" class="comment" class-disabled="no-spell-check">
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<start>--\[(=*)\[</start><end>]\%{1@start}]</end>
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<include>
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<context ref="def:in-comment"/>
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</include>
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</context>
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<!-- end: Block comment, lua syntax -->
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<!-- Line comment, lua syntax -->
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<!-- Note: this will only highlight line comments outside the conky.text section -->
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<context id="config-line-comment" style-ref="comment" class-disabled="no-spell-check">
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<start>\-\-</start><end>$</end>
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</context>
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<!-- end: Line comment, lua syntax -->
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<!-- Line comment, conky text syntax -->
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<!-- Note: this will only highlight line comments **inside** the conky.text section -->
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<context id="text-comment" style-ref="comment" class-disabled="no-spell-check">
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<start>#</start><end>$</end>
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</context>
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<!-- end: Line comment, conky syntax-->
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<!-- String -->
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<context id="lua-string" style-ref="argument" style-inside="true"
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end-at-line-end="true" class="string">
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<start>('|")</start><end>\%{0@start}</end>
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<include>
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<!-- Quote mark highlighter -->
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<context sub-pattern="0" where="start" style-ref="brackets"/>
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<context sub-pattern="0" where="end" style-ref="brackets"/>
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<!-- end: Quote mark highlighter -->
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<!-- Known patterns -->
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<!-- Escaped Char (also prevents the context ending prematurely) -->
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<context ref="lua-escape"/>
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<context ref="path"/>
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<context ref="hex-colors"/>
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<context ref="predefined-colors"/>
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<!-- end: Known patterns -->
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</include>
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</context>
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<!-- end: String value -->
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<!-- Literal string -->
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<context id="lua-lit-string" once-only="true">
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<start>\[\[</start><end>\]\]</end>
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<include>
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<!-- Quote mark highlighter -->
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<context sub-pattern="0" where="start" style-ref="brackets"/>
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<context sub-pattern="0" where="end" style-ref="brackets"/>
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<!-- end: Quote mark highlighter -->
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<!-- Literal Sub-String -->
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<!-- We use this to stop premature end of parent -->
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<context>
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<start>\[\[</start><end>\]\]</end>
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<!-- Reccursive -->
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<include><context ref="lua-lit-string:*"/></include>
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</context>
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<!-- end: Literal Sub-String -->
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<!-- Stuff specific to literal strings (e.g. templates and conky.text) -->
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<!-- TODO: Find a clean way to separate template and text lit-strings -->
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<context ref="text-escape"/>
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<context ref="template-escape"/>
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<context ref="text-comment"/>
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<context ref="bracket-var"/>
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<context ref="text-var"/>
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</include>
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</context>
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<!-- end: Literal string -->
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<!-- Escaped char -->
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<!-- conky.text escapes -->
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<context id="text-escape" style-ref="escaped-char">
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<!-- NOTE: Conky doesn't currently escape double backslash -->
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<match>\\(?:#|$)</match>
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</context>
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<!-- template definition escapes -->
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<context id="template-escape" style-ref="escaped-char">
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<match>\\[n\\ 0-9]</match>
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</context>
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<!-- lua string escapes -->
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<context id="lua-escape" style-ref="escaped-char">
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<match>\\[abfnrtv\\"'\[\]]</match>
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</context>
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<!-- end: Escaped char -->
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<!-- File paths and URLs, starting with https://, http://, ~/ or / -->
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<context id="path" style-ref="path" class="string">
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<match>(?<=\'|\ )(?:\~\/|\/|htt(?:p|ps)\:\/\/){1}[^\s\}\']*</match>
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</context>
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<!-- end: File paths and URLs -->
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<!-- Custom colors (hex) -->
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<context id="hex-colors" style-ref="decimal">
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<match>(?:[\da-fA-F]{6})</match>
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</context>
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<!-- end: Custom colors -->
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<!-- Predefined colors -->
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<!-- Colors parsed by `XParsecolor()` (see /usr/share/X11/rgb.txt (or possibly /usr/lib)) -->
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<context id="predefined-colors" style-ref="decimal">
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<keyword>red</keyword>
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<keyword>green</keyword>
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<keyword>yellow</keyword>
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<keyword>blue</keyword>
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<keyword>magenta</keyword>
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<keyword>cyan</keyword>
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<keyword>black</keyword>
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<keyword>white</keyword>
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</context>
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<!-- end: Predefined colors -->
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<!-- Numbers -->
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<context id="number" style-ref="decimal">
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<match>(?<=[\ \=]|\dx)([\+\-]{0,1}\d+)([\.\,]{1}\d+)?</match>
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</context>
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<!-- end: Numbers -->
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<!-- Boolean values -->
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<context id="boolean" style-ref="boolean">
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<keyword>false</keyword>
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<keyword>true</keyword>
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<keyword>yes</keyword>
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<keyword>no</keyword>
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</context>
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<!-- end: Boolean values -->
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<!-- ======================================================================================= -->
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<!-- key=val pair -->
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<context id="config-option">
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<start>[A-Za-z0-9_]+</start>
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<!-- ended by value -->
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<include>
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<!-- Keyword highlight -->
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<context sub-pattern="0" where="start" style-ref="config-keyword"/>
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<!-- end: Keyword highlight -->
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<!-- value -->
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<context end-parent="true">
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<start>=</start><end>(?:,|(?=\}))</end>
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<include>
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<!-- Equals highlight -->
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<context sub-pattern="0" where="start" style-ref="brackets"/>
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<!-- end: Equals highlight -->
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<!-- Value types -->
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<context ref="lua-string"/>
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<context ref="lua-lit-string"/>
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<context ref="number"/>
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<context ref="boolean"/>
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<!-- end: Value types -->
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<!-- Comments -->
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<context ref="config-block-comment"/>
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<context ref="config-line-comment"/>
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<!-- end: Comments -->
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</include>
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</context>
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<!-- end: value -->
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<!-- Comments -->
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<context ref="config-block-comment"/>
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<context ref="config-line-comment"/>
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<!-- end: Comments -->
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</include>
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</context>
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<!-- end: key=val -->
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<!-- TextVariables -->
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<!-- Bracket style -->
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<context id="bracket-var" style-ref="argument" style-inside="true">
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<start>(?:(\$\{)(?:\s|\n|$)*([a-z][a-z0-9_]*))</start>
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<end>\}</end>
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<include>
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<!-- Brackets highlighter -->
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<context sub-pattern="1" where="start" style-ref="brackets"/>
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<context sub-pattern="0" where="end" style-ref="brackets"/>
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<!-- end: Brackets highlighter -->
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<!-- Variable/keyword highlighter -->
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<context sub-pattern="2" where="start" style-ref="text-keyword"/>
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<!-- Special patterns -->
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<context ref="number"/>
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<context ref="boolean"/>
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<context ref="path"/>
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<context ref="hex-colors"/>
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<context ref="predefined-colors"/>
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<!-- end: Special patterns -->
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<!-- Inherit from lit-String -->
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<context ref="lua-lit-string:*"/>
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</include>
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</context>
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<!-- non-bracket style -->
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<context id="text-var" style-ref="text-keyword" style-inside="true">
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<start>(?:(\$)(?!\{))</start>
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<end>(?:(?=[^A-Za-z0-9_])|$)</end>
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<include>
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<!-- Dollar highlighter -->
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<context sub-pattern="1" where="start" style-ref="brackets"/>
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<!-- end: Dollar highlighter -->
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</include>
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</context>
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<!-- end: TextVariables -->
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</definitions>
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</language>
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