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(Minibuffer History): Add `history-delete-duplicates'.

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This commit is contained in:
Juri Linkov 2004-09-08 20:14:47 +00:00
parent 0da4d471d9
commit fbb2f03dc8
2 changed files with 13 additions and 1 deletions
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8
lispref/minibuf.texi
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@ -450,13 +450,19 @@ 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.
history list symbol. The variable @code{history-delete-duplicates}
specifies whether to delete duplicates in history.
@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
@defvar history-delete-duplicates
If the value of this variable is @code{t}, that means when adding a
new history element, all previous identical elements are deleted.
@end defvar
Here are some of the standard minibuffer history list variables:

6
man/mini.texi
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@ -511,6 +511,12 @@ is deleted each time an element is added. If the value of
@code{history-length} is @code{t}, though, there is no maximum length
and elements are never deleted.
@vindex history-delete-duplicates
The variable @code{history-delete-duplicates} specifies whether to
delete duplicates in history. If the value of @code{history-delete-duplicates}
is @code{t}, that means when adding a new history element, all
previous identical elements are deleted.
@node Repetition
@section Repeating Minibuffer Commands
@cindex command history