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-rw-r--r--runtime/scripts.vim13
1 files changed, 9 insertions, 4 deletions
diff --git a/runtime/scripts.vim b/runtime/scripts.vim
index ab66c0c0a..8d460cd31 100644
--- a/runtime/scripts.vim
+++ b/runtime/scripts.vim
@@ -195,7 +195,7 @@ else
if s:line1 =~# '^:$'
call dist#ft#SetFileTypeSH(s:line1) " defined in filetype.vim
- " Z shell scripts
+ " Z shell scripts
elseif s:line1 =~# '^#compdef\>' || s:line1 =~# '^#autoload\>' ||
\ "\n".s:line1."\n".s:line2."\n".s:line3."\n".s:line4."\n".s:line5 =~# '\n\s*emulate\s\+\%(-[LR]\s\+\)\=[ckz]\=sh\>'
set ft=zsh
@@ -204,15 +204,20 @@ else
elseif s:line1 =~# '^From \([a-zA-Z][a-zA-Z_0-9\.=-]*\(@[^ ]*\)\=\|-\) .* \(19\|20\)\d\d$'
set ft=mail
- " Mason
+ " Mason
elseif s:line1 =~# '^<[%&].*>'
set ft=mason
- " Vim scripts (must have '" vim' as the first line to trigger this)
+ " Vim scripts (must have '" vim' as the first line to trigger this)
elseif s:line1 =~# '^" *[vV]im$'
set ft=vim
- " MOO
+ " libcxx and libstdc++ standard library headers like "iostream" do not have
+ " an extension, recognize the Emacs file mode.
+ elseif s:line1 =~? '-\*-.*C++.*-\*-'
+ set ft=cpp
+
+ " MOO
elseif s:line1 =~# '^\*\* LambdaMOO Database, Format Version \%([1-3]\>\)\@!\d\+ \*\*$'
set ft=moo