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-rw-r--r--lisp/vc/ediff.el9
1 files changed, 6 insertions, 3 deletions
diff --git a/lisp/vc/ediff.el b/lisp/vc/ediff.el
index cd2b2c4e628..da7b0f12919 100644
--- a/lisp/vc/ediff.el
+++ b/lisp/vc/ediff.el
@@ -927,6 +927,7 @@ MERGE-AUTOSTORE-DIR is the directory in which to store merged files."
;;;###autoload
(defun ediff-windows-wordwise (dumb-mode &optional wind-A wind-B startup-hooks)
"Compare WIND-A and WIND-B, which are selected by clicking, wordwise.
+This compares the portions of text visible in each of the two windows.
With prefix argument, DUMB-MODE, or on a non-windowing display, works as
follows:
If WIND-A is nil, use selected window.
@@ -940,6 +941,7 @@ arguments after setting up the Ediff buffers."
;;;###autoload
(defun ediff-windows-linewise (dumb-mode &optional wind-A wind-B startup-hooks)
"Compare WIND-A and WIND-B, which are selected by clicking, linewise.
+This compares the portions of text visible in each of the two windows.
With prefix argument, DUMB-MODE, or on a non-windowing display, works as
follows:
If WIND-A is nil, use selected window.
@@ -950,7 +952,8 @@ arguments after setting up the Ediff buffers."
(ediff-windows dumb-mode wind-A wind-B
startup-hooks 'ediff-windows-linewise nil))
-;; Compare WIND-A and WIND-B, which are selected by clicking.
+;; Compare visible portions of text in WIND-A and WIND-B, which are
+;; selected by clicking.
;; With prefix argument, DUMB-MODE, or on a non-windowing display,
;; works as follows:
;; If WIND-A is nil, use selected window.
@@ -991,8 +994,8 @@ arguments after setting up the Ediff buffers."
"Run Ediff on a pair of regions in specified buffers.
BUFFER-A and BUFFER-B are the buffers to be compared.
Regions (i.e., point and mark) can be set in advance or marked interactively.
-This function is effective only for relatively small regions, up to 200
-lines. For large regions, use `ediff-regions-linewise'.
+This function might be slow for large regions. If you find it slow,
+use `ediff-regions-linewise' instead.
STARTUP-HOOKS is a list of functions that Emacs calls without
arguments after setting up the Ediff buffers."
(interactive