From 0c034a646822b74377c95b8934e8d5bb2cd1653e Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Mon, 16 Oct 2023 00:49:02 +0200
Subject: Syntax highlighting fix for quoting and indices

---
 editors/vim/syntax/bruijn.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'editors/vim/syntax/bruijn.vim')

diff --git a/editors/vim/syntax/bruijn.vim b/editors/vim/syntax/bruijn.vim
index b7b2680..2556ceb 100644
--- a/editors/vim/syntax/bruijn.vim
+++ b/editors/vim/syntax/bruijn.vim
@@ -7,7 +7,8 @@ endif
 
 syn match bruijnApplication /[()]/
 syn match bruijnAbstraction /[[\]]/
-syn match bruijnIndex /\([^0-9]\)\@<=\d\([^0-9]\)\@=/
+syn match bruijnIndex /\([^0-9A-Za-z]\)\@<=\d\([^0-9]\)\@=/
+syn match bruijnChar /'\@<=.'\@=/
 syn match bruijnNumber /([+-]\d\+[dubt]\?)/
 syn match bruijnDefinition /^\t*\S\+/
 syn match bruijnType /\( ⧗ \)\@<=.*$/
@@ -18,7 +19,6 @@ syn match bruijnNamespaceDelim /\([A-Z][a-z]*\)\@<=\./
 
 syn region bruijnCommentLine start="^# " end="$" oneline
 syn region bruijnString start=+"+ end=+"+ oneline
-syn region bruijnChar start=+'+ end=+'+ oneline
 
 hi def link bruijnIndex Special
 hi def link bruijnNumber Number
-- 
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