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* string.c: added documentation for character sequence \' with String#sub

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[Bug #11132][ruby-core:69121][fix GH-900][ci skip] Patch by @shishir127

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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hsbt 2015-05-16 12:41:29 +00:00
parent cff3676c94
commit 5ffb21ebbd
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ChangeLog
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@ -1,3 +1,8 @@
Sat May 16 21:41:24 2015 SHIBATA Hiroshi <hsbt@ruby-lang.org>
* string.c: added documentation for character sequence \' with String#sub
[Bug #11132][ruby-core:69121][fix GH-900][ci skip] Patch by @shishir127
Sat May 16 21:38:05 2015 SHIBATA Hiroshi <hsbt@ruby-lang.org>
* enum.c: fix a sample code. Patch by @eagletmt

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string.c
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@ -4310,6 +4310,9 @@ rb_str_sub_bang(int argc, VALUE *argv, VALUE str)
* double-quoted string, both back-references must be preceded by an
* additional backslash. However, within +replacement+ the special match
* variables, such as <code>&$</code>, will not refer to the current match.
* If +replacement+ is a String that looks like a pattern's capture group but
* is actaully not a pattern capture group e.g. <code>"\\'"</code>, then it
* will have to be preceded by two backslashes like so <code>"\\\\'"</code>.
*
* If the second argument is a Hash, and the matched text is one of its keys,
* the corresponding value is the replacement string.