The spaces where missing, this wasn't working correctly:

  cat << \EOF
  this is $single
  EOF

Signed-off-by: Felipe Contreras <[email protected]>
---
 runtime/syntax/sh.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
index 384971344..077024a36 100644
--- a/runtime/syntax/sh.vim
+++ b/runtime/syntax/sh.vim
@@ -394,7 +394,7 @@ ShFoldHereDoc syn region shHereDoc matchgroup=shHereDoc10 
start="<<-\s*\\\_$\_s*
 ShFoldHereDoc syn region shHereDoc matchgroup=shHereDoc11 
start="<<-\s*\\\_$\_s*\\\z([^ \t|>]\+\)"     matchgroup=shHereDoc11 
end="^\s*\z1\s*$"
 ShFoldHereDoc syn region shHereDoc matchgroup=shHereDoc12 
start="<<-\s*\\\_$\_s*'\z([^']\+\)'"         matchgroup=shHereDoc12 
end="^\s*\z1\s*$"
 ShFoldHereDoc syn region shHereDoc matchgroup=shHereDoc13 
start="<<-\s*\\\_$\_s*\"\z([^"]\+\)\""       matchgroup=shHereDoc13 
end="^\s*\z1\s*$"
-ShFoldHereDoc syn region shHereDoc matchgroup=shHereDoc14 start="<<\\\z([^ 
\t|>]\+\)"          matchgroup=shHereDoc14 end="^\z1\s*$"
+ShFoldHereDoc syn region shHereDoc matchgroup=shHereDoc14 start="<<\s*\\\z([^ 
\t|>]\+\)"               matchgroup=shHereDoc14 end="^\z1\s*$"
 ShFoldHereDoc syn region shHereDoc matchgroup=shHereDoc15 start="<<-\s*\\\z([^ 
\t|>]\+\)"              matchgroup=shHereDoc15 end="^\s*\z1\s*$"
 
 " Here Strings: {{{1
-- 
2.22.0

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