Document history-length.

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Richard M. Stallman 2002-12-07 21:42:16 +00:00
parent c80d2280ab
commit ff306b6098

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@ -435,6 +435,20 @@ needs to do to use a history list is to initialize it and to pass its
name to the input functions when you wish. But it is safe to modify the
list by hand when the minibuffer input functions are not using it.
Emacs functions that add a new element to a history list can also
delete old elements if the list gets too long. The variable
@code{history-length} specifies the maximum length for most history
lists. To specify a different maximum length for a particular history
list, put the length in the @code{history-length} property of the
history list symbol.
@defvar history-length
The value of this variable specifies the maximum length for all
history lists that don't specify their own maximum lengths. If the
value is @code{t}, that means there no maximum (don't delete old
elements).
@end defvar
Here are some of the standard minibuffer history list variables:
@defvar minibuffer-history