Spelling fixes.

src/coding.h

@@ -485,7 +485,7 @@ struct coding_system
      element.  The following elements are OFFSET, ANNOTATION-TYPE, and
      a sequence of actual data for the annotation.  OFFSET is a
      character position offset from dst_pos or src_pos,
-     ANNOTATION-TYPE specfies the meaning of the annotation and how to
+     ANNOTATION-TYPE specifies the meaning of the annotation and how to
      handle the following data..  */
   int *charbuf;
   int charbuf_size, charbuf_used;

src/gtkutil.c

@@ -3052,7 +3052,7 @@ xg_update_submenu (GtkWidget *submenu,
       }
   }
 
-  /* Remove widgets from first structual change.  */
+  /* Remove widgets from first structural change.  */
   if (iter)
     {
       /* If we are adding new menu items below, we must remove from

src/nsfns.m

@@ -1286,7 +1286,7 @@ This function is an internal primitive--use `make-frame' instead.  */)
                       "foreground", "Foreground", RES_TYPE_STRING);
   x_default_parameter (f, parms, Qbackground_color, build_string ("White"),
                       "background", "Background", RES_TYPE_STRING);
-  /* FIXME: not suppported yet in Nextstep */
+  /* FIXME: not supported yet in Nextstep */
   x_default_parameter (f, parms, Qline_spacing, Qnil,
 		       "lineSpacing", "LineSpacing", RES_TYPE_NUMBER);
   x_default_parameter (f, parms, Qleft_fringe, Qnil,

src/term.c

@@ -1809,7 +1809,7 @@ append_glyphless_glyph (struct it *it, int face_id, const char *str)
    glyphless_display_method in dispextern.h for the details.
 
    FOR_NO_FONT is nonzero if and only if this is for a character that
-   is not supproted by the coding system of the terminal.  ACRONYM, if
+   is not supported by the coding system of the terminal.  ACRONYM, if
    non-nil, is an acronym string for the character.
 
    The glyphs actually produced are of type CHAR_GLYPH.  */

src/textprop.c

@@ -2227,7 +2227,7 @@ This also inhibits the use of the `intangible' text property.  */);
 
   DEFVAR_LISP ("text-property-default-nonsticky",
 	       Vtext_property_default_nonsticky,
-	       doc: /* Alist of properties vs the corresponding non-stickinesses.
+	       doc: /* Alist of properties vs the corresponding non-stickiness.
 Each element has the form (PROPERTY . NONSTICKINESS).
 
 If a character in a buffer has PROPERTY, new text inserted adjacent to

src/xdisp.c

@@ -4339,7 +4339,7 @@ handle_display_spec (struct it *it, Lisp_Object spec, Lisp_Object object,
   int rv;
 
   if (CONSP (spec)
-      /* Simple specerties.  */
+      /* Simple specifications.  */
       && !EQ (XCAR (spec), Qimage)
       && !EQ (XCAR (spec), Qspace)
       && !EQ (XCAR (spec), Qwhen)