> Il giorno 03/nov/2015, alle ore 10:52, Wolfgang Jenkner <wjenk...@inode.at> 
> ha scritto:
> On Tue, Nov 03 2015, Pedro Giffuni wrote:
>> What worries me about libtre is that it lacks important functionality like 
>> word
>> delimiters. We even brought the sysv delimiters to be more compatible with
>> Solaris and GNU and we can’t back those out now:
>> https://svnweb.freebsd.org/base?view=revision&revision=268066
> It supports \< and \> out of the box, cf.
> https://github.com/laurikari/tre/blob/master/doc/tre-syntax.html
> And the darwin patch mentioned above implements [[:<:]] and [[:>:]], see
> http://www.opensource.apple.com/source/Libc/Libc-1044.40.1/regex/TRE/lib/tre-parse.c
> That patch also implements the REG_STARTEND flag for regexec(3), which
> is needed for vi.
> Also, tre provides wchar versions for regcomp(3) and friends, so that
> nvi wouldn't need its own private regex library anymore.

Interesting thanks.

I only looked at it transitorily long ago, I noticed there was a big TODO
list and that the Apple patches were partially copyleft (APSL) so I
didn’t dig into it too much.

It certainly has to be evaluated.


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