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Re: Is 't' positive?


From: Leo
Subject: Re: Is 't' positive?
Date: Thu, 12 Apr 2007 13:45:14 +0100
User-agent: No Gnus v0.6, Emacs/23.0.0.10 (2007-04-11), Fedora 6 gnu/linux

----- Johan Bockgård (2007-04-12) wrote:-----

> Leo <sdl.web@gmail.com> writes:
>
>> However, it seems legal to use 't' and they will behave like it is
>> positive. So the question, is 't' positive? Is it safe to use 't' in
>> this kind of functions?
>
> (info "(elisp)Minor Mode Conventions")
>
>      [...]
>      The command should accept one optional argument. If the argument
>      is `nil', it should toggle the mode (turn it on if it is off, and
>      off if it is on). It should turn the mode on if the argument is a
>      positive integer, the symbol `t', or a list whose CAR is one of
>      those. It should turn the mode off if the argument is a negative
>      integer or zero, the symbol `-', or a list whose CAR is a
>      negative integer or zero. The meaning of other arguments is not
>      specified.

Thanks.

-- 
Leo <sdl.web AT gmail.com>                         (GPG Key: 9283AA3F)





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