Mention potential integer overflow problems.

bbf47d44 · Paul Eggert · 14f04e6b · bbf47d44
Commit bbf47d44 authored Apr 09, 2011 by Paul Eggert
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 2011-04-09  Paul Eggert  <eggert@cs.ucla.edu>

-	* charset.c (load_charset_map): <, not <=, for optimization.
+	* charset.c (load_charset_map): <, not <=, for optimization,
+	and to avoid potential problems with integer overflow.
 	* chartab.c (sub_char_table_set_range, char_table_set_range): Likewise.
 	* casetab.c (set_identity, shuffle): Likewise.