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Re: Bash-4.3-rc2 available for FTP


From: Mike Frysinger
Subject: Re: Bash-4.3-rc2 available for FTP
Date: Thu, 30 Jan 2014 19:18:31 -0500
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On Thursday, January 30, 2014 23:53:55 Andreas Schwab wrote:
> Mike Frysinger <address@hidden> writes:
> > yes, but that's kind of irrelevant for the point raised here.  bash's =~
> > uses ERE, and passing in REG_EXTENDED to get ERE semantics with regcomp()
> > yields the same result (at least with glibc) as above.
> 
> The effect of \- in an ERE is still undefined.

so it is.  yet still irrelevant.  the GNU library defines behavior explicitly:
https://www.gnu.org/software/gnulib/manual/html_node/The-Backslash-Character.html#The-Backslash-Character

and it still doesn't explain why every version from bash-3.0 through bash-4.2 
behaves the same but bash-4.3 does not.  the release notes specifically call 
out backslash changes to make things "more consistent behavior".  i don't 
changing the behavior of the example i posted makes sense.
-mike

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