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Re: [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas...
From: |
David Kastrup |
Subject: |
Re: [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas... |
Date: |
Tue, 12 Jul 2005 02:19:58 +0200 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
Evil Boris <address@hidden> writes:
> David Kastrup <address@hidden> writes:
>
>> Evil Boris <address@hidden> writes:
>
>>> and this depends on $x$ and $y$ MORE TEXT MORE TEXT MORE TEXT
>>> MORE TEXT MORE TEXT MORE TEXT MORE TEXT MORE TEXT
>
>>> [...]
>
>>> and this depends on $x, y$ MORE TEXT MORE TEXT MORE TEXT MORE
>>> TEXT MORE TEXT MORE TEXT MORE TEXT MORE TEXT
>
>>> with the cursor someplace around the comma. Notice that there are
>>> two preview-generated pictures around [can't really tell what they
>>> are supposed to represent, too small for my eye sight], which is
>>> annoying but understandable. If I type C-c C-p C-p now,
>>> everything after the $x,y$ disappears from the display! Very
>>> disconcerting, especially the first time it happens. C-c C-p C-d
>>> makes everything peachy again.
>
>> "Merging" previews is not really a sensible operation. What you
>> end up with is regenerating the only one, crippled preview. The
>> results are that the math environment is incomplete, and TeX looks
>> beyond the actually cut region for fixing it.
>
> I do not know if I explained myself properly. What I do is have
> "$x$ and $y$" in my text, previewing fine. Then I edit it to say
> "$x,y$" and try to force preview to update the picture at the point.
Yes. But you then have _two_ modified previews, each of them starting
with a preview icon (the options you can use on those icons are shown
if you move mouse over them).
The first one is something like '$x,' and the second one something
like 'y$'. Now if you regenerate either of those two previews, you
basically get a mess.
> At this point all hell breaks loose---all or some part of the
> containing math expression gets a proper preview image, but the rest
> of the file (and I had this experience with a 20 page paper)
> **appears** to disappear. I thought that it was unnecessarily
> brutal for an unsuspecting user. :)
As I said: localization of errors at the edges and particularly
_beyond_ the edges of the current region is flaky right now, and those
half-previews tend to throw LaTeX for a loop at a point where
preview-latex does not expect it.
> A secondary issue is that there are those slightly annoying pictures
> attached to "opened" math expressions --- in this case the second
> one, that was attached to $y$ refuses to go away, even though it
> looks to me like I have have deleted character (namely the $ in
> front of "y") to which it seems to be attached.
Well, you can use C-c C-p C-c C-p to remove the preview, or you can
use mouse-3 on the "annoying picture" to remove it.
>> However, it might be a useful idea to regenerate butting edited
>> previews together. Does the following patch lead to more
>> satisfactory behavior for you?
>
> Thanks. Will take a look a bit later.
I already checked an extended version (with a modified doc string)
into CVS. It is probably more likely what people would expect after
editing.
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum
- [Bug-AUCTeX] preview oddity when "merging" inline formulas..., Evil Boris, 2005/07/11
- Re: [Bug-AUCTeX] preview oddity when "merging" inline formulas..., David Kastrup, 2005/07/11
- Message not available
- [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas..., Evil Boris, 2005/07/11
- Re: [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas...,
David Kastrup <=
- Message not available
- [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas..., Evil Boris, 2005/07/12
- Re: [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas..., David Kastrup, 2005/07/12
- [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas..., Evil Boris, 2005/07/12
- Re: [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas..., David Kastrup, 2005/07/17
- Message not available
- [Bug-AUCTeX] Re: preview oddity when "merging" inline formulas..., Evil Boris, 2005/07/31