Merge from trunk.

autogen/configure

@@ -23965,8 +23965,9 @@ else
             #if \
                 (__GNUC__ || __IBMC__ || __IBMCPP__ \
                  || 0x5110 <= __SUNPRO_C || 1300 <= _MSC_VER)
-              int alignas (8) alignas_int = 1;
-              char test_alignas[_Alignof (alignas_int) == 8 ? 1 : -1];
+              struct alignas_test { char c; char alignas (8) alignas_8; };
+              char test_alignas[offsetof (struct alignas_test, alignas_8) == 8
+                                ? 1 : -1];
             #endif
 int

doc/misc/ChangeLog

 2013-03-27  Aidan Gauland  <aidalgol@no8wireless.co.nz>
 
-	* eshell.texi: Updated manual to reflect changes.
+	* eshell.texi (Built-ins): Update manual to mention tramp module.
 
 2013-03-18  Michael Albinus  <michael.albinus@gmx.de>
 
@@ -2415,8 +2415,7 @@
 
 2013-02-18  Aidan Gauland  <aidalgol@no8wireless.co.nz>
 
-	* eshell.texi: Added documentation for Eshell insert
-	output redirection operator, >>>.
+	* eshell.texi (Input/Output): Document insert output redirection operator, >>>.
 
 2011-02-18  Glenn Morris  <rgm@gnu.org>
 

etc/ChangeLog

@@ -4,7 +4,7 @@
 
 2013-03-29  Aidan Gauland  <aidalgol@no8wireless.co.nz>
 
-	* NEWS: Added entry for em-tramp change in 2013-03-26T22:08:58Z!aidalgol@no8wireless.co.nz
+	* NEWS (Eshell): New entry for em-tramp change in 2013-03-26T22:08:58Z!aidalgol@no8wireless.co.nz
 
 2013-03-21  Eric Ludlam  <zappo@gnu.org>
 

lisp/ChangeLog

@@ -80,7 +80,7 @@
 2013-03-27  Aidan Gauland  <aidalgol@no8wireless.co.nz>
-	* eshell/em-unix.el: Moved su and sudo to...
+	* eshell/em-unix.el: Move su and sudo to...
 	* eshell/em-tramp.el: ...Eshell tramp module
 2013-03-26  Stefan Monnier  <monnier@iro.umontreal.ca>
@@ -1083,8 +1083,8 @@
 2013-02-18  Aidan Gauland  <aidalgol@no8wireless.co.nz>
-	* eshell/em-cmpl.el: Corrected "context-related help"
-	keybinding in commentary.
+	* eshell/em-cmpl.el: Correct "context-related help" keybinding in
+	commentary.
 2013-02-18  Michael Heerdegen  <michael_heerdegen@web.de>

src/ChangeLog

+2013-03-31  Dmitry Antipov  <dmantipov@yandex.ru>
+
+	* frame.h (struct frame): Drop scroll_bottom_vpos
+	member becaue all real users are dead long ago.
+	(FRAME_SCROLL_BOTTOM_VPOS): Remove.
+	* xdisp.c (redisplay_internal): Adjust user.
+
 2013-03-30  Darren Ho  <darren.hoo@gmail.com>  (tiny change)
 	* nsmenu.m (showAtX:Y:for:): setLevel to

src/frame.h

@@ -427,10 +427,6 @@ struct frame
   /* Width of bar cursor (if we are using that) for blink-off state.  */
   int blink_off_cursor_width;
 
-  /* Nonnegative if current redisplay should not do scroll computation
-     for lines beyond a certain vpos.  This is the vpos.  */
-  int scroll_bottom_vpos;
-
   /* Configured width of the scroll bar, in pixels and in characters.
      config_scroll_bar_cols tracks config_scroll_bar_width if the
      latter is positive; a zero value in config_scroll_bar_width means
@@ -785,7 +781,6 @@ typedef struct frame *FRAME_PTR;
 #define FRAME_DELETE_COST(f) (f)->delete_line_cost
 #define FRAME_INSERTN_COST(f) (f)->insert_n_lines_cost
 #define FRAME_DELETEN_COST(f) (f)->delete_n_lines_cost
-#define FRAME_SCROLL_BOTTOM_VPOS(f) (f)->scroll_bottom_vpos
 #define FRAME_FOCUS_FRAME(f) f->focus_frame
 
 /* This frame slot says whether scroll bars are currently enabled for frame F,

src/xdisp.c

@@ -12948,8 +12948,6 @@ redisplay_internal (void)
   unbind_to (count1, Qnil);
-  FRAME_SCROLL_BOTTOM_VPOS (XFRAME (w->frame)) = -1;
-
   consider_all_windows_p = (update_mode_lines
 			    || buffer_shared_and_changed ()
 			    || cursor_type_changed);