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guile/guile-core/libguile gh_data.c ports.c st ...

CVSROOT:	/cvs/guile
Module name:	guile
Changes by:	jimb@egcs.cygnus.com	99/08/30 00:02:26

Modified files:
	guile-core/libguile: gh_data.c ports.c strop.c 

Log message:
	* gh_data.c (gh_set_substr): Revert change of 1999-08-29; bcopy is
	not a correct substitute for memmove, because it doesn't handle
	overlapping source and destination areas on many platforms.
	Overlaps are the primary reason to use memmove in the first place.
	* ports.c (scm_ungetc): Same.
	* strop.c (scm_substring_move_x): Same.
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