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-rw-r--r--vim/after/syntax/sh.vim17
1 files changed, 16 insertions, 1 deletions
diff --git a/vim/after/syntax/sh.vim b/vim/after/syntax/sh.vim
index 8025c567..08dbd857 100644
--- a/vim/after/syntax/sh.vim
+++ b/vim/after/syntax/sh.vim
@@ -111,7 +111,7 @@ if exists('b:is_posix')
syntax clear shRepeat
syntax region shRepeat
\ matchgroup=shLoop
- \ start="\<while\_s" end="\<do\>"me=e-2
+ \ start='\<while\_s' end='\<do\>'me=e-2
\ contains=@shLoopList
" Run some clustering that core syntax/sh.vim thinks doesn't apply to POSIX;
@@ -119,6 +119,21 @@ if exists('b:is_posix')
syntax cluster shCaseList add=shRepeat
syntax cluster shFunctionList add=shRepeat
+ " ${foo%bar}, ${foo%%bar}, ${foo#bar}, and ${foo##bar} are all valid forms
+ " of parameter expansion in POSIX, but sh.vim makes them conditional on
+ " Bash or Korn shell. We reinstate them (slightly adapted) here.
+ syntax match shDerefOp contained
+ \ '##\|#\|%%\|%'
+ \ nextgroup=@shDerefPatternList
+ syntax match shDerefPattern contained
+ \ '[^{}]\+'
+ \ contains=shDeref,shDerefSimple,shDerefPattern,shDerefString,shCommandSub,shDerefEscape
+ \ nextgroup=shDerefPattern
+ syntax region shDerefPattern contained
+ \ start='{' end='}'
+ \ contains=shDeref,shDerefSimple,shDerefString,shCommandSub
+ \ nextgroup=shDerefPattern
+
endif
" Some corrections for highlighting specific to the Bash mode