From 1e1a6f62a7b00f9bd8c3fac7ad74aa7760c0f456 Mon Sep 17 00:00:00 2001
From: Mathias Jakobsen <mathias.jakobsen@overleaf.com>
Date: Wed, 29 Nov 2023 11:47:23 +0000
Subject: [PATCH] Merge pull request #15960 from overleaf/mj-bibtex-field-plus

[lezer] Support plus character in BibTeX field name

GitOrigin-RevId: a8af42fa9c372b36ed2ec0354bafa76154dd8d18
---
 .../js/features/source-editor/lezer-bibtex/bibtex.grammar       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar b/services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar
index 1fa519d4bc..caafb570ee 100644
--- a/services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar
+++ b/services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar
@@ -7,7 +7,7 @@
   whiteSpace { $[\t\n ]+ }
   Identifier { ![,{} \t\n%]+ }
   StringName { $[a-zA-Z:_] $[a-zA-Z:_0-9-]* }
-  FieldName {$[a-zA-Z-_0-9]+}
+  FieldName {$[a-zA-Z-_0-9+]+}
   LiteralString {
     '"' (!["] | "\\" _)* '"'?
   }