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-rw-r--r--runtime/syntax/javascript.vim3
1 files changed, 2 insertions, 1 deletions
diff --git a/runtime/syntax/javascript.vim b/runtime/syntax/javascript.vim
index 8a5e10b261..1ab1c2db11 100644
--- a/runtime/syntax/javascript.vim
+++ b/runtime/syntax/javascript.vim
@@ -7,7 +7,7 @@
" (ss) repaired several quoting and grouping glitches
" (ss) fixed regex parsing issue with multiple qualifiers [gi]
" (ss) additional factoring of keywords, globals, and members
-" Last Change: 2020 May 14
+" Last Change: 2021 Mar 30
" 2013 Jun 12: adjusted javaScriptRegexpString (Kevin Locke)
" 2018 Apr 14: adjusted javaScriptRegexpString (LongJohnCoder)
@@ -41,6 +41,7 @@ syn region javaScriptEmbed start=+${+ end=+}+ contains=@javaScriptEmbed
syn match javaScriptSpecialCharacter "'\\.'"
syn match javaScriptNumber "-\=\<\d\+L\=\>\|0[xX][0-9a-fA-F]\+\>"
+syn match javaScriptNumber "-\=\<\d\+\%(_\d\+\)*\>"
syn region javaScriptRegexpString start=+[,(=+]\s*/[^/*]+ms=e-1,me=e-1 skip=+\\\\\|\\/+ end=+/[gimuys]\{0,2\}\s*$+ end=+/[gimuys]\{0,2\}\s*[+;.,)\]}]+me=e-1 end=+/[gimuys]\{0,2\}\s\+\/+me=e-1 contains=@htmlPreproc,javaScriptComment oneline
syn keyword javaScriptConditional if else switch