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runtime(sh): Update syntax, fix single-quoted strings in parameter expansions
Ignore single-quoted backslash escape sequences in parameter expansions. \' is not an escaped single quote in ${foo:-'word\'}. closes: #17261 Signed-off-by: Doug Kearns <dougkearns@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
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@ -11,6 +11,7 @@
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" 2025 Apr 03 command substitution opening paren at EOL (#17026)
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" 2025 Apr 10 improve shell detection (#17084)
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" 2025 Apr 29 match escaped chars in test operands (#17221)
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" 2025 May 06 improve single-quote string matching in parameter expansions
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" Version: 208
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" Former URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
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" For options and settings, please use: :help ft-sh-syntax
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@ -649,7 +650,7 @@ if exists("b:is_bash")
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syn match shDerefOp contained "[,^]\{1,2}" nextgroup=@shDerefPatternList
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syn match shDerefOp contained "@[uULQEPAKa]"
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endif
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syn region shDerefString contained matchgroup=shDerefDelim start=+\%(\\\)\@<!'+ end=+'+ contains=shStringSpecial
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syn region shDerefString contained matchgroup=shDerefDelim start=+\%(\\\)\@<!'+ end=+'+
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syn region shDerefString contained matchgroup=shDerefDelim start=+\%(\\\)\@<!"+ skip=+\\"+ end=+"+ contains=@shDblQuoteList,shStringSpecial
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syn match shDerefString contained "\\["']" nextgroup=shDerefPattern
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runtime/syntax/testdir/dumps/sh_quoting_00.dump
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runtime/syntax/testdir/dumps/sh_quoting_00.dump
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@ -0,0 +1,20 @@
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>#+0#0000e05#ffffff0|!|/|b|i|n|/|d|a|s|h| +0#0000000&@63
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@75
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|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{|f|o@1|:+0#af5f00255&|-|'|s+0#e000002&|t|r|i|n|g| |\|'+0#af5f00255&|}+0#e000e06&| +0#0000000&@51
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@75
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|~+0#4040ff13&| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|~| @73
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|i+0#0000000&|s|_|d|a|s|h|:| |1|,| |i|s|_|p|o|s|i|x|:| |1|,| |i|s|_|s|h|:| |1|,| @22|1|,|1| @10|A|l@1|
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runtime/syntax/testdir/input/sh_quoting.sh
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4
runtime/syntax/testdir/input/sh_quoting.sh
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@ -0,0 +1,4 @@
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#!/bin/dash
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echo ${foo:-'string \'}
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