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(read_minibuf): Don't add to the history list if the minibuffer string is

empty, since it is not very useful.
This commit is contained in:
Karl Heuer 1994-09-16 21:31:00 +00:00
parent 5e9c82960a
commit 7c70cfd377

View File

@ -269,8 +269,9 @@ read_minibuf (map, initial, prompt, backup_n, expflag, histvar, histpos)
/* VAL is the string of minibuffer text. */
last_minibuf_string = val;
/* Add the value to the appropriate history list. */
if (XTYPE (Vminibuffer_history_variable) == Lisp_Symbol
/* Add the value to the appropriate history list unless it is empty. */
if (XSTRING (val)->size != 0
&& XTYPE (Vminibuffer_history_variable) == Lisp_Symbol
&& ! EQ (XSYMBOL (Vminibuffer_history_variable)->value, Qunbound))
{
/* If the caller wanted to save the value read on a history list,