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Re: "Raw" string literals for elisp


From: Philip Kaludercic
Subject: Re: "Raw" string literals for elisp
Date: Wed, 08 Sep 2021 21:24:20 +0000

Stefan Kangas <stefan@marxist.se> writes:

> Philip Kaludercic <philipk@posteo.net> writes:
>
>> The reason I use rx in a lot of my scripts is that I can add comments,
>> explanations, formatting, etc. when it gets complicated. I think that is
>> a significant advantage, that even raw strings wouldn't have (unless a
>> comment syntax were to be added into the regular expression language,
>> which is unlikely).
>
> Perl has this:
>
>     perl -e '$foo = "bar"; print "yes" if $foo =~ / bar # comment /x;'
>
> is equivalent to
>
>     perl -e '$foo = "bar"; print "yes" if $foo =~ /bar/;'

Yes, but taking backwards compatibility into account, you cannot just
define some character to be used for comments.

-- 
        Philip Kaludercic



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