2000-12-11  Sven Neumann  <sven@gimp.org>

	* app/edit_selection.c
	* app/gimpimage.c
	* app/layer_select.c
	* app/layers_dialog.c: when computing a preview, limit the scale ratio
	to a maximum of 1.0. By doing so we avoid to scale drawables up if the
	image (canvas) size becomes larger than the drawable. Fixes bug #31098.

	* app/gimppreviewcache.[ch]: indented