(syms_of_coding) <translation-table-for-input>: Modify doc string to

discourage use for character code unification.

etc/NEWS

@@ -1530,7 +1530,9 @@ accept a cons of characters as the first argument, and modify all
 entries in that range of characters.
 
 +++
-*** `translation-table-for-input' is now obsolete.
+*** Use of `translation-table-for-input' for character code unification
+is now obsolete, since Emacs 23.1 and later uses Unicode as basis for
+internal representation of characters.
 
 *** New functions:
 

src/ChangeLog

+2009-02-07  Eli Zaretskii  <eliz@gnu.org>
+
+	* coding.c (syms_of_coding) <translation-table-for-input>: Modify
+	doc string to discourage use for character code unification.
+
 2009-02-07  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
 	* atimer.c (run_timers): Update pending_atimers.

src/coding.c

@@ -10439,7 +10439,11 @@ decode text as usual.  */);
   DEFVAR_LISP ("translation-table-for-input", &Vtranslation_table_for_input,
 	       doc: /* Char table for translating self-inserting characters.
 This is applied to the result of input methods, not their input.
-See also `keyboard-translate-table'.  */);
+See also `keyboard-translate-table'.
+
+Use of this variable for character code unification was rendered
+obsolete in Emacs 23.1 and later, since Unicode is now the basis of
+internal character representation.  */);
     Vtranslation_table_for_input = Qnil;
 
   {