[Emacs-diffs] fix/viper-undo 4568a5c: UPdate manual

[Phillip Lord]

branch: fix/viper-undo
commit 4568a5ce263780d5b159ec103fbf57f8cc5f5fbf
Author: Phillip Lord <address@hidden>
Commit: Phillip Lord <address@hidden>

    UPdate manual
---
 doc/lispref/text.texi |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/lispref/text.texi b/doc/lispref/text.texi
index 96f109b..3f258a4 100644
--- a/doc/lispref/text.texi
+++ b/doc/lispref/text.texi
@@ -1393,6 +1393,15 @@ normally called periodically by the timer in this 
variable.  Setting
 this variable to address@hidden prevents this behavior.
 @end defvar
 
address@hidden undo-auto-disable-boundaries
+Some modes may wish to provide their own @code{undo-boundary}
+handling so that, for example, several commands may be undone with a
+single undo. Setting this variable to a address@hidden value disables
+the automatic addition of these boundaries. In these circumstances,
+the developer must ensure that boundaries get added often enough;
+otherwise, @code{buffer-undo-list} will get too large.
address@hidden defvar
+
 @defvar undo-in-progress
 This variable is normally @code{nil}, but the undo commands bind it to
 @code{t}.  This is so that various kinds of change hooks can tell when