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Garry R. Osgood authored
1999-12-10 Garry R. Osgood <gosgood@idt.net> * app/gimpimage.c * app/undo.c * app/undo_types.h * docs/undo.txt Changed sanity checks in undo_pop/free_layer_mask() to LAYER_MASK_ADD_UNDO and LAYER_MASK_REMOVE_UNDO to be consistent with undo_push_layer_mask() These now nvoke proper cleanup and release of GimpLayerMasks. * docs/undo.txt: New file, an overview of undo logic written by Austin Donnelly * app/undo.c * app/undo_types.h * app/gimpimage.c : Introduced a new UndoType, UNDO_NULL, which maps to zero, introducing that value into the enumerated types. Use the type to signal type unknown/error/untyped conditions. Full patch documentation at http://idt.net/~gosgood/gimp-patch/patch02.html
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