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/* Written  6:11 am  Jun 27, 1990 by arndt@zyx.zyx.se in m.cs.uiuc.edu:gnu.emacs.bug */
/* ---------- "backward-kill-sentence loops." ---------- */
Problem: The command C-X DEL (backward-kill-sentence) enters infinite loop.
/* End of text from m.cs.uiuc.edu:gnu.emacs.bug */
(Version 18.55)
This is a real bug. I've looked into to the source and there's clearly a bug,
or possibly several. The effect in question is caused by code in
paragraphs.el, function forward-paragraph, line 64,
	      (while (looking-at paragraph-separate)
			(forward-line 1))
In the case cited, (looking-at paragraph-seperate) is t, but so is (eobp),
and so the forward-line actually does nothing, causing an infinite loop.
I changed the check to be similar to other ones in the function, e.g.
	      (while (and (looking-at paragraph-separate) (not (eobp)))
			(forward-line 1))
This didn't infi-loop, but it did give a "Max recursion depth exceeded"
error. I don't have time right now to investigate any further. I'll try to
look into it later (have to fix Epoch bugs instead!).

Alan M. Carroll                Barbara/Marilyn in '92 :
carroll@cs.uiuc.edu            + This time, why not choose the better halves?
Epoch Development Team         
CS Grad / U of Ill @ Urbana    ...{ucbvax,pur-ee,convex}!cs.uiuc.edu!carroll