More window code related fixes and documentation changes.

* window.c (Fother_window_for_scrolling): Check that
Vother_window_scroll_buffer is a buffer.
* window.el (fit-frame-to-buffer, fit-frame-to-buffer-margins):
Fix doc-strings.
(fit-frame-to-buffer): New argument ONLY.  Remove dependency on
fit-frame-to-buffer variable.  Fix doc-string.
(fit-window-to-buffer): Set ONLY argument in call of
fit-frame-to-buffer.  Fix doc-string.
* frames.texi (Size and Position): Rewrite entries for
`fit-frame-to-buffer' and `fit-frame-to-buffer-margins'.  Add
description for `fit-frame-to-buffer-sizes'.
* windows.texi (Resizing Windows): Add descriptions for
pixelwise resizing.  Add entries for `window-resize-pixelwise'
and `fit-window-to-buffer-horizontally'.  Rewrite
`fit-window-to-buffer' entry.

2 files changed, 6 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 8f9d7f555a3..9fef63c9a58 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2014-03-06  Martin Rudalics  <rudalics@gmx.at>
+
+        * window.c (Fother_window_for_scrolling): Check that
+        Vother_window_scroll_buffer is a buffer.
+
 2014-03-06  Dmitry Antipov  <dmantipov@yandex.ru>
 
         * xterm.c (xim_initialize): Always pass a copy of resource name
diff --git a/src/window.c b/src/window.c
index b6cfacd9aad..4d8520d7436 100644
--- a/src/window.c
+++ b/src/window.c
@@ -5431,6 +5431,7 @@ specifies the window.  This takes precedence over
     window = Vminibuf_scroll_window;
   /* If buffer is specified and live, scroll that buffer.  */
   else if (!NILP (Vother_window_scroll_buffer)
+           && BUFFERP (Vother_window_scroll_buffer)
            && BUFFER_LIVE_P (XBUFFER (Vother_window_scroll_buffer)))
     {
       window = Fget_buffer_window (Vother_window_scroll_buffer, Qnil);