Comment 17 for bug 442642

Reported on #inkscape irc channel:

Miraceti wrote:
> I have noticed a bug in 0.47 and 0.48. When running
> Extension->Render->Grid, it is possible to enter horizontal
> and/or vertical spaces = 0 which causes 100% CPU usage in
> apparently neverending loop.

> Well, experiencing problems with small values could be unpleasant
> but zero should not definitely be tried to render at all.

> Division by zero is much worse than just consuming a lot of memory.

> I guess, zero should be filtered out already on UI level.