Tue Oct 01 18:02:13 2013  Jiri (George) Lebl <jirka@5z.com>

	* src/eval.c, src/mpwrap.[ch]: fix subtle copy on write error with
	  nested for loops with a floating point "by"

	* src/eval.[ch]: fix a nasty side effect of erroneously telling gcc
	  that a function is pure

	* gtkextra/*.c: fix some warnings