Merged from emacs@sv.gnu.org

[bpt/emacs.git] / src / doc.c

diff --git a/src/doc.c b/src/doc.c
index 0d1ab39..39fa622 100644 (file)
--- a/src/doc.c
+++ b/src/doc.c
@@ -1,6 +1,6 @@
 /* Record indices of function doc strings stored in a file.
-   Copyright (C) 1985, 86,93,94,95,97,98,99,2000,04
-             Free Software Foundation, Inc.
+   Copyright (C) 1985, 1986, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001,
+                 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -16,8 +16,8 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with GNU Emacs; see the file COPYING.  If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
 
 
 #include <config.h>
@@ -57,27 +57,27 @@ static Lisp_Object Vbuild_files;
 
 extern Lisp_Object Voverriding_local_map;
 
+extern Lisp_Object Qremap;
+
 /* For VMS versions with limited file name syntax,
-   convert the name to something VMS will allow. */
+   convert the name to something VMS will allow.  */
 static void
 munge_doc_file_name (name)
      char *name;
 {
 #ifdef VMS
-#ifndef VMS4_4
-  /* For VMS versions with limited file name syntax,
-     convert the name to something VMS will allow.  */
-  p = name;
+#ifndef NO_HYPHENS_IN_FILENAMES
+  extern char * sys_translate_unix (char *ufile);
+  strcpy (name, sys_translate_unix (name));
+#else /* NO_HYPHENS_IN_FILENAMES */
+  char *p = name;
   while (*p)
     {
       if (*p == '-')
        *p = '_';
       p++;
     }
-#endif /* not VMS4_4 */
-#ifdef VMS4_4
-  strcpy (name, sys_translate_unix (name));
-#endif /* VMS4_4 */
+#endif /* NO_HYPHENS_IN_FILENAMES */
 #endif /* VMS */
 }
 
@@ -386,7 +386,7 @@ string is passed through `substitute-command-keys'.  */)
          !NILP (tem)))
     return Fdocumentation_property (function, Qfunction_documentation, raw);
 
-  fun = Findirect_function (function);
+  fun = Findirect_function (function, Qnil);
   if (SUBRP (fun))
     {
       if (XSUBR (fun)->doc == 0)
@@ -416,7 +416,7 @@ string is passed through `substitute-command-keys'.  */)
     {
       funcar = Fcar (fun);
       if (!SYMBOLP (funcar))
-       return Fsignal (Qinvalid_function, Fcons (fun, Qnil));
+       xsignal1 (Qinvalid_function, fun);
       else if (EQ (funcar, Qkeymap))
        return build_string ("Prefix command (definition is a keymap associating keystrokes with commands).");
       else if (EQ (funcar, Qlambda)
@@ -443,7 +443,7 @@ string is passed through `substitute-command-keys'.  */)
   else
     {
     oops:
-      Fsignal (Qinvalid_function, Fcons (fun, Qnil));
+      xsignal1 (Qinvalid_function, fun);
     }
 
   /* If DOC is 0, it's typically because of a dumped file missing
@@ -607,21 +607,7 @@ the same file name is found in the `doc-directory'.  */)
       strcpy (name, SDATA (Vdoc_directory));
     }
   strcat (name, SDATA (filename));     /*** Add this line ***/
-#ifdef VMS
-#ifndef VMS4_4
-  /* For VMS versions with limited file name syntax,
-     convert the name to something VMS will allow.  */
-  p = name;
-  while (*p)
-    {
-      if (*p == '-')
-       *p = '_';
-      p++;
-    }
-#else /* VMS4_4 */
-  strcpy (name, sys_translate_unix (name));
-#endif /* VMS4_4 */
-#endif /* VMS */
+  munge_doc_file_name (name);
 
   /* Vbuild_files is nil when temacs is run, and non-nil after that.  */
   if (NILP (Vbuild_files))
@@ -749,15 +735,18 @@ the same file name is found in the `doc-directory'.  */)
 DEFUN ("substitute-command-keys", Fsubstitute_command_keys,
        Ssubstitute_command_keys, 1, 1, 0,
        doc: /* Substitute key descriptions for command names in STRING.
-Return a new string which is STRING with substrings of the form \\=\\[COMMAND]
-replaced by either:  a keystroke sequence that will invoke COMMAND,
-or "M-x COMMAND" if COMMAND is not on any keys.
+Substrings of the form \\=\\[COMMAND] replaced by either: a keystroke
+sequence that will invoke COMMAND, or "M-x COMMAND" if COMMAND is not
+on any keys.
 Substrings of the form \\=\\{MAPVAR} are replaced by summaries
-\(made by describe-bindings) of the value of MAPVAR, taken as a keymap.
+\(made by `describe-bindings') of the value of MAPVAR, taken as a keymap.
 Substrings of the form \\=\\<MAPVAR> specify to use the value of MAPVAR
 as the keymap for future \\=\\[COMMAND] substrings.
 \\=\\= quotes the following character and is discarded;
-thus, \\=\\=\\=\\= puts \\=\\= into the output, and \\=\\=\\=\\[ puts \\=\\[ into the output.  */)
+thus, \\=\\=\\=\\= puts \\=\\= into the output, and \\=\\=\\=\\[ puts \\=\\[ into the output.
+
+Returns original STRING if no substitutions were made.  Otherwise,
+a new string, without any text properties, is returned.  */)
      (string)
      Lisp_Object string;
 {
@@ -828,6 +817,7 @@ thus, \\=\\=\\=\\= puts \\=\\= into the output, and \\=\\=\\=\\[ puts \\=\\[ int
       else if (strp[0] == '\\' && strp[1] == '[')
        {
          int start_idx;
+         int follow_remap = 1;
 
          changed = 1;
          strp += 2;            /* skip \[ */
@@ -846,11 +836,21 @@ thus, \\=\\=\\=\\= puts \\=\\= into the output, and \\=\\=\\=\\[ puts \\=\\[ int
          idx = strp - SDATA (string);
          name = Fintern (make_string (start, length_byte), Qnil);
 
+       do_remap:
          /* Ignore remappings unless there are no ordinary bindings. */
          tem = Fwhere_is_internal (name, keymap, Qt, Qnil, Qt);
          if (NILP (tem))
            tem = Fwhere_is_internal (name, keymap, Qt, Qnil, Qnil);
 
+         if (VECTORP (tem) && XVECTOR (tem)->size > 1
+             && EQ (AREF (tem, 0), Qremap) && SYMBOLP (AREF (tem, 1))
+             && follow_remap)
+           {
+             name = AREF (tem, 1);
+             follow_remap = 0;
+             goto do_remap;
+           }
+
          /* Note the Fwhere_is_internal can GC, so we have to take
             relocation of string contents into account.  */
          strp = SDATA (string) + idx;