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Re: Strange results from lwarn + match-string

From: Lennart Borgman (gmail)
Subject: Re: Strange results from lwarn + match-string
Date: Tue, 19 Feb 2008 23:22:33 +0100
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666 
Stefan Monnier wrote:

        (lwarn t :warning "0: %s" (match-string-no-properties 0))
        (lwarn t :warning "1: %s" (match-string-no-properties 1))
        (lwarn t :warning "2: %s" (match-string-no-properties 2))
        (lwarn t :warning "3: %s" (match-string-no-properties 3))


Since you don't know for a fact that lwarn is among the few functions
that do not affect match-data, you need to call all
4 `match-string-no-properties' before you call the 4 `lwarn'.


Hm. It cured the problem, but that was really a surprise.
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