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[Help-smalltalk] Re: Bug in the smalltalk-mode.el


From: Mathieu Suen
Subject: [Help-smalltalk] Re: Bug in the smalltalk-mode.el
Date: Sun, 1 Aug 2010 12:37:11 +0200

Ok I manage to remove the regexp.
You can fetch the patch in my repository.
Let me know if it is ok now.

        Mth




On Jul 31, 2010, at 12:14 PM, Paolo Bonzini wrote:

> On 07/31/2010 12:10 PM, Mathieu Suen wrote:
>> The regexp in question is when attempting to match all the temp list that is:
>> 
>> (\s*\w+\s?)*
>> 
>> \s any space
>> \w any alphabetic letter.
>> 
>> I guess that \w+\s? is boing to prevent prevent backtracking too often but I 
>> am not sure.
> 
> The problem is when you're _not_ at temporaries.  Then you have an 
> exponential number of ways to try because any non-empty suffix of \w+ is also 
> a prefix of \w+.
> 
> Something like "&abcdefghijklmnopqrstuvwxyz|" should trigger it.
> 
> Paolo






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