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Re: set-window-start

From: Kevin Rodgers
Subject: Re: set-window-start
Date: Fri, 16 Jul 2004 11:26:35 -0600
User-agent: Mozilla/5.0 (X11; U; SunOS i86pc; en-US; rv: Gecko/20020406 Netscape6/6.2.2

Richard Stallman wrote:

>     In Emacs 20.7, (set-window-start WINDOW POS) makes POS the window
>     start, as documented.  In current CVS and in 21.3, it makes the window
>     start either at the _beginning_ of the line POS is on, _or_ at the
>     beginning of the _next_ line, according to rules that are not clear.
> I think it is a bug.  There is a mechanism that is supposed to assure
> that when Emacs chooses a new window-start, it tries to choose
> the start of a line.  That mechanism should be disabled when you
> specify a window-start explicitly.  Perhaps the code to disable
> it is not working right.

Not surprising, given the comment that precedes it (in the 21.3 source):

  /* this is not right, but much easier than doing what is right. */
  w->start_at_line_beg = Qnil;

Kevin Rodgers

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