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Re: using empty_string as the only "" string


From: Richard Stallman
Subject: Re: using empty_string as the only "" string
Date: Sat, 28 Apr 2007 00:06:54 -0400

    Is it possible that STRING_INTERVALS(s) is not NULL if 's' is an empty 
string,
    unibyte or multibyte ? I believe no (at least, 'set-text-properties' can't
    attach properties to empty string).

Text properties are attached to characters.  A null string has no characters
so it cannot have properties.




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