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] 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