From: Tiziano Merzi <giuan.m@...>
Date: 2010-09-26T03:29:45+09:00
Subject: bug in gsub(?)

I have found this bug(?) in gsub

puts "\\:{}=#~".gsub(/([\\\:\~\=\#\{\}])/, '\\ \1')
 =>  \ \\ :\ {\ }\ =\ #\ ~   OK

but

puts "\\:{}=#~".gsub(/([\\\:\~\=\#\{\}])/, '\\\1')
 => \1\1\1\1\1\1\1

Any idea?
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