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Re: comint read-only prompt

From: Richard Stallman
Subject: Re: comint read-only prompt
Date: Tue, 20 Aug 2002 18:11:18 -0600 (MDT)

    Given how often this sort of complaint turns up (that a read-only property 
    a good solution except for the error message), how about this idea: If a
    signalling an error due to a read-only property, if the property's value is 
    string, use that as the error message rather than the default.

Some such festure seems like a good idea.
The basic handling of error message strings in Emacs is
rather inflexible, so there is no existing feature we
can use to do this.  Doing it with a special-case kludge
might be the best way, since it is easy.

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