Re: How about a non-nil and non-t value of show-trailing-whitespace?

[Sam Steingold]

> * In message <address@hidden>
> * On the subject of "How about a non-nil and non-t value of 
> show-trailing-whitespace?"
> * Sent on Mon, 30 Jul 2001 12:23:50 +0100
> * Honorable "Marshall, Simon" <address@hidden> writes:
>
> But then I thought---maybe a more general solution is for
> show-trailing-whitespace to have some extra semantics.
> 
> So, I suggest that redisplay is changed so that if
> show-trailing-whitespace is non-nil and non-t, Emacs should highlight
> trailing whitespace only if buffer-read-only is t.

an addendum: when `show-trailing-whitespace' is a function, it is called
in the current buffer and the return value is used to decide whether to
highlight trailing whitespace.

ps.  may I suggest adding `delete-trailing-whitespace' to
`write-file-hooks'? 

-- 
Sam Steingold (http://www.podval.org/~sds)
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