From b7bd624130c9d6e72e0fa4651f80aead3362babf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Fri, 24 Jun 2022 10:58:22 +0200
Subject: [PATCH 01/10] feat: highlight latex3 functions, variables and lists

---
 rc/filetype/latex.kak | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index a3c05d51..9056d078 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -35,8 +35,19 @@ add-highlighter shared/latex regions
 add-highlighter shared/latex/content default-region group
 add-highlighter shared/latex/comment region '(?<!\\)%' '\n' fill comment
 
+# latex2e private functions
+add-highlighter shared/latex/content/ regex '\\[a-zA-Z@]+\b' 0:function
 # Scopes, starting with a backslash
-add-highlighter shared/latex/content/ regex '\\(?!_)\w+\b' 0:keyword
+add-highlighter shared/latex/content/ regex '\\[a-zA-Z]+\b' 0:keyword
+# latex3 functions
+add-highlighter shared/latex/content/ regex '\\(?:__)?[a-zA-Z@]+_\w+(:([nNpTFDwcVvxefo]+))?\b' 0:function 1:type
+# latex3 variable
+add-highlighter shared/latex/content/ regex '\\[lgc]_[a-zA-Z]+_[a-zA-Z]+\b' 0:variable
+# macros arguments
+add-highlighter shared/latex/content/ regex '#[1-9]\b' 0:string
+# grouped lists
+add-highlighter shared/latex/content/ regex '\{[\s/;, \w]+\}' 0:string
+
 # Options passed to scopes, between brackets
 add-highlighter shared/latex/content/ regex '\\(?!_)\w+\b\[([^\]]+)\]' 1:value
 # Content between dollar signs/pairs

From 9dd0428e0f9f05d0a0c287a29f70464fb85c8112 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Fri, 24 Jun 2022 17:32:15 +0200
Subject: [PATCH 02/10] feat: add l3kernel modules names and types in regex.
 dim module, scope and type parts

---
 rc/filetype/latex.kak | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index 9056d078..4dbb74b4 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -39,14 +39,18 @@ add-highlighter shared/latex/comment region '(?<!\\)%' '\n' fill comment
 add-highlighter shared/latex/content/ regex '\\[a-zA-Z@]+\b' 0:function
 # Scopes, starting with a backslash
 add-highlighter shared/latex/content/ regex '\\[a-zA-Z]+\b' 0:keyword
-# latex3 functions
-add-highlighter shared/latex/content/ regex '\\(?:__)?[a-zA-Z@]+_\w+(:([nNpTFDwcVvxefo]+))?\b' 0:function 1:type
-# latex3 variable
-add-highlighter shared/latex/content/ regex '\\[lgc]_[a-zA-Z]+_[a-zA-Z]+\b' 0:variable
+# latex3 functions (expl3 doc)
+add-highlighter shared/latex/content/ regex '\\(?:__|@@_)?[a-zA-Z@]+_\w+(:[nNpTFDwcVvxefo]+)?\b' 0:function 1:+db@type
+# latex3 variable (expl3 doc)
+add-highlighter shared/latex/content/ regex '\\([lgc]_)[a-zA-Z]+_[a-zA-Z]+\b' 0:variable 1:+db
+# latex3 type (expl3 doc)s
+add-highlighter shared/latex/content/ regex '_(bool|box|cctab|clist|coffin|dim|fp|ior|iow|int|muskip|prop|seq|skip|str|tl)' 0:+db
+ # latex3 l3kernel modules (l3kernel/doc/l3prefixes.csv)
+add-highlighter shared/latex/content/ regex '\\(alignment|alloc|ampersand|atsign|backslash|bitset|bool|box|catcode|cctab|char|chk|circumflex|clist|code|codedoc|coffin|colon|color|cs|debug|dim|document|dollar|driver|e|else|empty|etex|exp|expl|false|fi|file|flag|fp|group|hash|hbox|hcoffin|if|inf|initex|insert|int|intarray|ior|iow|job|kernel|keys|keyval|left|log|lua|luatex|mark|marks|math|max|minus|mode|msg|muskip|nan|nil|no|novalue|one|or|other|parameter|pdf|pdftex|peek|percent|pi|prg|prop|ptex|quark|recursion|ref|regex|reverse|right|scan|seq|skip|sort|space|stop|str|sys|tag|term|tex|text|tilde|tl|tmpa|tmpb|token|true|underscore|uptex|use|utex|vbox|vcoffin|xetex|zero)_' 0:+db
 # macros arguments
 add-highlighter shared/latex/content/ regex '#[1-9]\b' 0:string
 # grouped lists
-add-highlighter shared/latex/content/ regex '\{[\s/;, \w]+\}' 0:string
+add-highlighter shared/latex/content/ regex '\{([\s/;, \w]+)\}' 1:string
 
 # Options passed to scopes, between brackets
 add-highlighter shared/latex/content/ regex '\\(?!_)\w+\b\[([^\]]+)\]' 1:value

From 1a96801a52691867cfa46384cfbb9851743cae35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Sat, 25 Jun 2022 10:26:27 +0200
Subject: [PATCH 03/10] fix: check for escaped # and {. highlight nested arg
 (##1)

---
 rc/filetype/latex.kak | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index 4dbb74b4..cd4a4e01 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -48,9 +48,9 @@ add-highlighter shared/latex/content/ regex '_(bool|box|cctab|clist|coffin|dim|f
  # latex3 l3kernel modules (l3kernel/doc/l3prefixes.csv)
 add-highlighter shared/latex/content/ regex '\\(alignment|alloc|ampersand|atsign|backslash|bitset|bool|box|catcode|cctab|char|chk|circumflex|clist|code|codedoc|coffin|colon|color|cs|debug|dim|document|dollar|driver|e|else|empty|etex|exp|expl|false|fi|file|flag|fp|group|hash|hbox|hcoffin|if|inf|initex|insert|int|intarray|ior|iow|job|kernel|keys|keyval|left|log|lua|luatex|mark|marks|math|max|minus|mode|msg|muskip|nan|nil|no|novalue|one|or|other|parameter|pdf|pdftex|peek|percent|pi|prg|prop|ptex|quark|recursion|ref|regex|reverse|right|scan|seq|skip|sort|space|stop|str|sys|tag|term|tex|text|tilde|tl|tmpa|tmpb|token|true|underscore|uptex|use|utex|vbox|vcoffin|xetex|zero)_' 0:+db
 # macros arguments
-add-highlighter shared/latex/content/ regex '#[1-9]\b' 0:string
+add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K#+[1-9]\b' 0:string
 # grouped lists
-add-highlighter shared/latex/content/ regex '\{([\s/;, \w]+)\}' 1:string
+add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K\{([\s/;,\w]+)\}' 1:string
 
 # Options passed to scopes, between brackets
 add-highlighter shared/latex/content/ regex '\\(?!_)\w+\b\[([^\]]+)\]' 1:value

From 61a490d658c49e0f16957959afb0c2d84cf1bd48 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Sun, 26 Jun 2022 09:50:09 +0200
Subject: [PATCH 04/10] fix: comment after double \

---
 rc/filetype/latex.kak | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index cd4a4e01..bfa70f39 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -33,7 +33,7 @@ provide-module latex %~
 
 add-highlighter shared/latex regions
 add-highlighter shared/latex/content default-region group
-add-highlighter shared/latex/comment region '(?<!\\)%' '\n' fill comment
+add-highlighter shared/latex/comment region '(?<!\\)(?:\\\\)*\K%' '\n' fill comment
 
 # latex2e private functions
 add-highlighter shared/latex/content/ regex '\\[a-zA-Z@]+\b' 0:function

From 1c8bd551dbcf04227c22227d5893fed57d5beadd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Sun, 26 Jun 2022 21:40:56 +0200
Subject: [PATCH 05/10] feat: group for control sequence to scope highlighting
 of types and module

---
 rc/filetype/latex.kak | 61 ++++++++++++++++++++++++-------------------
 1 file changed, 34 insertions(+), 27 deletions(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index bfa70f39..46bdf046 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -33,37 +33,44 @@ provide-module latex %~
 
 add-highlighter shared/latex regions
 add-highlighter shared/latex/content default-region group
+# Region for control sequence (with latex2e arguments and options) starting with unescaped \
+# and ending at eol or word boundaries not preceded nor followed by @ : \ { } [ ] *
+add-highlighter shared/latex/cs region '(?<!\\)(?:\\\\)*\K\\[@\w]' '\n|(?<![@:\\{}\[\]*])(?![@:{}\[\]*])\b' group
 add-highlighter shared/latex/comment region '(?<!\\)(?:\\\\)*\K%' '\n' fill comment
 
-# latex2e private functions
-add-highlighter shared/latex/content/ regex '\\[a-zA-Z@]+\b' 0:function
-# Scopes, starting with a backslash
-add-highlighter shared/latex/content/ regex '\\[a-zA-Z]+\b' 0:keyword
-# latex3 functions (expl3 doc)
-add-highlighter shared/latex/content/ regex '\\(?:__|@@_)?[a-zA-Z@]+_\w+(:[nNpTFDwcVvxefo]+)?\b' 0:function 1:+db@type
-# latex3 variable (expl3 doc)
-add-highlighter shared/latex/content/ regex '\\([lgc]_)[a-zA-Z]+_[a-zA-Z]+\b' 0:variable 1:+db
-# latex3 type (expl3 doc)s
-add-highlighter shared/latex/content/ regex '_(bool|box|cctab|clist|coffin|dim|fp|ior|iow|int|muskip|prop|seq|skip|str|tl)' 0:+db
- # latex3 l3kernel modules (l3kernel/doc/l3prefixes.csv)
-add-highlighter shared/latex/content/ regex '\\(alignment|alloc|ampersand|atsign|backslash|bitset|bool|box|catcode|cctab|char|chk|circumflex|clist|code|codedoc|coffin|colon|color|cs|debug|dim|document|dollar|driver|e|else|empty|etex|exp|expl|false|fi|file|flag|fp|group|hash|hbox|hcoffin|if|inf|initex|insert|int|intarray|ior|iow|job|kernel|keys|keyval|left|log|lua|luatex|mark|marks|math|max|minus|mode|msg|muskip|nan|nil|no|novalue|one|or|other|parameter|pdf|pdftex|peek|percent|pi|prg|prop|ptex|quark|recursion|ref|regex|reverse|right|scan|seq|skip|sort|space|stop|str|sys|tag|term|tex|text|tilde|tl|tmpa|tmpb|token|true|underscore|uptex|use|utex|vbox|vcoffin|xetex|zero)_' 0:+db
-# macros arguments
-add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K#+[1-9]\b' 0:string
-# grouped lists
-add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K\{([\s/;,\w]+)\}' 1:string
+# Document and latex2e control sequence
+add-highlighter shared/latex/cs/ regex '(?:\\[a-zA-Z@]+)' 0:keyword
+## Options passed to latex2e control sequences, between brackets
+add-highlighter shared/latex/cs/ regex '\\[a-zA-Z@]+\b\[([^\]]+)\]' 1:value
+## Emphasized text
+add-highlighter shared/latex/cs/ regex '\\(?:emph|textit|textsl)\{([^}]+)\}' 1:default+i
+## Underlined text
+add-highlighter shared/latex/cs/ regex '\\underline\{([^}]+)\}' 1:default+u
+## Bold text
+add-highlighter shared/latex/cs/ regex '\\textbf\{([^}]+)\}' 1:default+b
+## Section headings
+add-highlighter shared/latex/cs/ regex '\\(part|section)\*?\{([^}]+)\}' 2:title
+add-highlighter shared/latex/cs/ regex '\\(chapter|(sub)+section|(sub)*paragraph)\*?\{([^}]+)\}' 4:header
 
-# Options passed to scopes, between brackets
-add-highlighter shared/latex/content/ regex '\\(?!_)\w+\b\[([^\]]+)\]' 1:value
-# Content between dollar signs/pairs
+# LaTeX3 control sequence
+## Functions (expl3 doc) module_name:arguments_types.
+add-highlighter shared/latex/cs/ regex '\\(?:__|@@_)?[a-zA-Z@]+_\w+(:[nNpTFDwcVvxefo]+)?' 0:function 1:+db@type
+## Variables (expl3 doc): scope_name_type
+add-highlighter shared/latex/cs/ regex '\\([lgc]_)[a-zA-Z@]+_[a-zA-Z]+' 0:variable 1:+db
+## l3kernel modules (l3kernel/doc/l3prefixes.csv)
+add-highlighter shared/latex/cs/ regex '\\(alignment|alloc|ampersand|atsign|backslash|bitset|bool|box|catcode|cctab|char|chk|circumflex|clist|code|codedoc|coffin|colon|color|cs|debug|dim|document|dollar|driver|e|else|empty|etex|exp|expl|false|fi|file|flag|fp|group|hash|hbox|hcoffin|if|inf|initex|insert|int|intarray|ior|iow|job|kernel|keys|keyval|left|log|lua|luatex|mark|marks|math|max|minus|mode|msg|muskip|nan|nil|no|novalue|one|or|other|parameter|pdf|pdftex|peek|percent|pi|prg|prop|ptex|quark|recursion|ref|regex|reverse|right|scan|seq|skip|sort|space|stop|str|sys|tag|term|tex|text|tilde|tl|tmpa|tmpb|token|true|underscore|uptex|use|utex|vbox|vcoffin|xetex|zero)_' 0:+db
+# LaTeX3 types (expl3 doc)
+add-highlighter shared/latex/cs/ regex '_(bool|box|cctab|clist|coffin|dim|fp|ior|iow|int|muskip|prop|seq|skip|str|tl)\b' 0:+db
+
+# This belongs to content group as the LaTeX3 convention is separating macros names, args and options
+# with spaces and thus should not be catched by the cs region
+## macros arguments
+add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K#+[1-9]' 0:string
+## group containing words lists (separated by ; , / or spaces)
+add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K\{([\s/;,\w\d]+)\}' 1:string
+
+# Math mode between dollar signs/pairs
 add-highlighter shared/latex/content/ regex '((?<!\\)\$(\\\$|[^$])+\$)|((?<!\\)\$\$(\\\$|[^$])+\$\$)|((?<!\\)\\\[.*?\\\])|(\\\(.*?\\\))' 0:meta
-# Emphasized text
-add-highlighter shared/latex/content/ regex '\\(emph|textit)\{([^}]+)\}' 2:default+i
-# Bold text
-add-highlighter shared/latex/content/ regex '\\textbf\{([^}]+)\}' 1:default+b
-# Section headings
-add-highlighter shared/latex/content/ regex '\\(part|section)\*?\{([^}]+)\}' 2:title
-add-highlighter shared/latex/content/ regex '\\(chapter|(sub)+section|(sub)*paragraph)\*?\{([^}]+)\}' 4:header
-
 
 # Indent
 # ------

From 897e8d6aa3bbdff7f86c2e8d8d9681d24cd3c4fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Sun, 26 Jun 2022 21:55:01 +0200
Subject: [PATCH 06/10] fix: proper escaping for math mode

---
 rc/filetype/latex.kak | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index 46bdf046..3c110ce7 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -70,7 +70,7 @@ add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K#+[1-9]' 0:string
 add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K\{([\s/;,\w\d]+)\}' 1:string
 
 # Math mode between dollar signs/pairs
-add-highlighter shared/latex/content/ regex '((?<!\\)\$(\\\$|[^$])+\$)|((?<!\\)\$\$(\\\$|[^$])+\$\$)|((?<!\\)\\\[.*?\\\])|(\\\(.*?\\\))' 0:meta
+add-highlighter shared/latex/content/ regex '((?<!\\)(?:\\\\)*\K\$(\\\$|[^$])+\$)|((?<!\\)(?:\\\\)*\K\$\$(\\\$|[^$])+\$\$)|((?<!\\)(?:\\\\)*\K\\\[.*?\\\])|(\\\(.*?\\\))' 0:meta
 
 # Indent
 # ------

From b81524bd3c92455db36e49a41e8585340ec9e8e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Mon, 27 Jun 2022 08:55:09 +0200
Subject: [PATCH 07/10] fix: add . to include number and fp in lists

---
 rc/filetype/latex.kak | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index 3c110ce7..1d9f354a 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -38,9 +38,9 @@ add-highlighter shared/latex/content default-region group
 add-highlighter shared/latex/cs region '(?<!\\)(?:\\\\)*\K\\[@\w]' '\n|(?<![@:\\{}\[\]*])(?![@:{}\[\]*])\b' group
 add-highlighter shared/latex/comment region '(?<!\\)(?:\\\\)*\K%' '\n' fill comment
 
-# Document and latex2e control sequence
+# Document and LaTeX2e control sequence
 add-highlighter shared/latex/cs/ regex '(?:\\[a-zA-Z@]+)' 0:keyword
-## Options passed to latex2e control sequences, between brackets
+## Options passed to LaTeX2e control sequences, between brackets
 add-highlighter shared/latex/cs/ regex '\\[a-zA-Z@]+\b\[([^\]]+)\]' 1:value
 ## Emphasized text
 add-highlighter shared/latex/cs/ regex '\\(?:emph|textit|textsl)\{([^}]+)\}' 1:default+i
@@ -66,8 +66,8 @@ add-highlighter shared/latex/cs/ regex '_(bool|box|cctab|clist|coffin|dim|fp|ior
 # with spaces and thus should not be catched by the cs region
 ## macros arguments
 add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K#+[1-9]' 0:string
-## group containing words lists (separated by ; , / or spaces)
-add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K\{([\s/;,\w\d]+)\}' 1:string
+## group containing words and numbers (list separated by ; , / or spaces)
+add-highlighter shared/latex/content/ regex '(?<!\\)(?:\\\\)*\K\{([\s/;,.\w\d]+)\}' 1:string
 
 # Math mode between dollar signs/pairs
 add-highlighter shared/latex/content/ regex '((?<!\\)(?:\\\\)*\K\$(\\\$|[^$])+\$)|((?<!\\)(?:\\\\)*\K\$\$(\\\$|[^$])+\$\$)|((?<!\\)(?:\\\\)*\K\\\[.*?\\\])|(\\\(.*?\\\))' 0:meta

From 6a32c43351669b8c529fac21885d0d8e87c9cc8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Tue, 28 Jun 2022 17:04:35 +0200
Subject: [PATCH 08/10] fix: alternate stop cs region after first non escaped }
 to prevent gobbling %

---
 rc/filetype/latex.kak | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index 1d9f354a..fa75b497 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -33,9 +33,9 @@ provide-module latex %~
 
 add-highlighter shared/latex regions
 add-highlighter shared/latex/content default-region group
-# Region for control sequence (with latex2e arguments and options) starting with unescaped \
+# Region for control sequence (includes latex2e arguments and options) starting with unescaped \
 # and ending at eol or word boundaries not preceded nor followed by @ : \ { } [ ] *
-add-highlighter shared/latex/cs region '(?<!\\)(?:\\\\)*\K\\[@\w]' '\n|(?<![@:\\{}\[\]*])(?![@:{}\[\]*])\b' group
+add-highlighter shared/latex/cs region '(?<!\\)(?:\\\\)*\K\\[@\w]' '/\n|(?<![@:\\{}\[\]*])(?![@:\\{}\[\]*])\b|(?<!\\)(?:\\\\)*\K\}\K' group
 add-highlighter shared/latex/comment region '(?<!\\)(?:\\\\)*\K%' '\n' fill comment
 
 # Document and LaTeX2e control sequence
@@ -56,7 +56,7 @@ add-highlighter shared/latex/cs/ regex '\\(chapter|(sub)+section|(sub)*paragraph
 ## Functions (expl3 doc) module_name:arguments_types.
 add-highlighter shared/latex/cs/ regex '\\(?:__|@@_)?[a-zA-Z@]+_\w+(:[nNpTFDwcVvxefo]+)?' 0:function 1:+db@type
 ## Variables (expl3 doc): scope_name_type
-add-highlighter shared/latex/cs/ regex '\\([lgc]_)[a-zA-Z@]+_[a-zA-Z]+' 0:variable 1:+db
+add-highlighter shared/latex/cs/ regex '\\([lgc]_)[a-zA-Z@]+_\w+' 0:variable 1:+db
 ## l3kernel modules (l3kernel/doc/l3prefixes.csv)
 add-highlighter shared/latex/cs/ regex '\\(alignment|alloc|ampersand|atsign|backslash|bitset|bool|box|catcode|cctab|char|chk|circumflex|clist|code|codedoc|coffin|colon|color|cs|debug|dim|document|dollar|driver|e|else|empty|etex|exp|expl|false|fi|file|flag|fp|group|hash|hbox|hcoffin|if|inf|initex|insert|int|intarray|ior|iow|job|kernel|keys|keyval|left|log|lua|luatex|mark|marks|math|max|minus|mode|msg|muskip|nan|nil|no|novalue|one|or|other|parameter|pdf|pdftex|peek|percent|pi|prg|prop|ptex|quark|recursion|ref|regex|reverse|right|scan|seq|skip|sort|space|stop|str|sys|tag|term|tex|text|tilde|tl|tmpa|tmpb|token|true|underscore|uptex|use|utex|vbox|vcoffin|xetex|zero)_' 0:+db
 # LaTeX3 types (expl3 doc)

From 8861a1646e815f743abbe66e9ca59be2f4bb6af1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20BURGHARD?= <eric.burghard@itsufficient.me>
Date: Thu, 30 Jun 2022 14:00:45 +0200
Subject: [PATCH 09/10] feat: add .ins (latex package installation) file
 extension to latex type as it is not linked to other filetype

---
 rc/filetype/latex.kak | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/rc/filetype/latex.kak b/rc/filetype/latex.kak
index fa75b497..3a775311 100644
--- a/rc/filetype/latex.kak
+++ b/rc/filetype/latex.kak
@@ -33,8 +33,11 @@ provide-module latex %~
 
 add-highlighter shared/latex regions
 add-highlighter shared/latex/content default-region group
-# Region for control sequence (includes latex2e arguments and options) starting with unescaped \
-# and ending at eol or word boundaries not preceded nor followed by @ : \ { } [ ] *
+# Region for control sequence (includes latex2e arguments and options)
+# starting with unescaped \ and ending :
+# - at eol, or
+# - at word boundaries not preceded nor followed by @ : \ { } [ ] *, or
+# - after an unescaped }
 add-highlighter shared/latex/cs region '(?<!\\)(?:\\\\)*\K\\[@\w]' '/\n|(?<![@:\\{}\[\]*])(?![@:\\{}\[\]*])\b|(?<!\\)(?:\\\\)*\K\}\K' group
 add-highlighter shared/latex/comment region '(?<!\\)(?:\\\\)*\K%' '\n' fill comment