(vertical-centering-font-regexp): New

[gnu-emacs] / src / category.c

diff --git a/src/category.c b/src/category.c
index d1d2f572afa7e726227a967a8ed689c7eae85cb0..728b3a8e91ef9dfdee02d5a3e3310a296942cb76 100644 (file)
--- a/src/category.c
+++ b/src/category.c
@@ -253,6 +253,20 @@ It is a copy of the TABLE, which defaults to the standard category table.")
   return copy_category_table (table);
 }
 
+DEFUN ("make-category-table", Fmake_category_table, Smake_category_table,
+       0, 0, 0,
+  "Construct a new and empty category table and return it.")
+  ()
+{
+  Lisp_Object val;
+
+  val = Fmake_char_table (Qcategory_table, Qnil);
+  XCHAR_TABLE (val)->defalt = MAKE_CATEGORY_SET;
+  Fset_char_table_extra_slot (val, make_number (0),
+                             Fmake_vector (make_number (95), Qnil));
+  return val;
+}
+
 DEFUN ("set-category-table", Fset_category_table, Sset_category_table, 1, 1, 0,
   "Specify TABLE as the category table for the current buffer.")
   (table)
@@ -314,12 +328,11 @@ modify_lower_category_set (table, category, set_value)
   Lisp_Object val;
   int i;
 
-  if (NILP (XCHAR_TABLE (table)->defalt))
-    {
-      val = MAKE_CATEGORY_SET;
-      SET_CATEGORY_SET (val, category, set_value);
-      XCHAR_TABLE (table)->defalt = val;
-    }
+  val = XCHAR_TABLE (table)->defalt;
+  if (!CATEGORY_SET_P (val))
+    val = MAKE_CATEGORY_SET;
+  SET_CATEGORY_SET (val, category, set_value);
+  XCHAR_TABLE (table)->defalt = val;
 
   for (i = 32; i < SUB_CHAR_TABLE_ORDINARY_SLOTS; i++)
     {
@@ -586,21 +599,22 @@ word_boundary_p (c1, c2)
   if (NILP (category_set2))
     return default_result;
 
-  for (; CONSP (tail); tail = XCONS (tail)->cdr)
+  for (; CONSP (tail); tail = XCDR (tail))
     {
-      Lisp_Object elt = XCONS(tail)->car;
+      Lisp_Object elt = XCAR (tail);
 
       if (CONSP (elt)
-         && CATEGORYP (XCONS (elt)->car)
-         && CATEGORYP (XCONS (elt)->cdr)
-         && CATEGORY_MEMBER (XFASTINT (XCONS (elt)->car), category_set1)
-         && CATEGORY_MEMBER (XFASTINT (XCONS (elt)->cdr), category_set2))
+         && CATEGORYP (XCAR (elt))
+         && CATEGORYP (XCDR (elt))
+         && CATEGORY_MEMBER (XFASTINT (XCAR (elt)), category_set1)
+         && CATEGORY_MEMBER (XFASTINT (XCDR (elt)), category_set2))
        return !default_result;
     }
   return default_result;
 }
 
 \f
+void
 init_category_once ()
 {
   /* This has to be done here, before we call Fmake_char_table.  */
@@ -623,6 +637,7 @@ init_category_once ()
                              Fmake_vector (make_number (95), Qnil));
 }
 
+void
 syms_of_category ()
 {
   Qcategoryp = intern ("categoryp");
@@ -639,7 +654,7 @@ Emacs treats a sequence of word constituent characters as a single\n\
 word (i.e. finds no word boundary between them) iff they belongs to\n\
 the same charset.  But, exceptions are allowed in the following cases.\n\
 \n\
-(1) The case that characters are in different charsets is controlled\n\
+\(1) The case that characters are in different charsets is controlled\n\
 by the variable `word-combining-categories'.\n\
 \n\
 Emacs finds no word boundary between characters of different charsets\n\
@@ -653,7 +668,7 @@ For instance, to tell that ASCII characters and Latin-1 characters can\n\
 form a single word, the element `(?l . ?l)' should be in this list\n\
 because both characters have the category `l' (Latin characters).\n\
 \n\
-(2) The case that character are in the same charset is controlled by\n\
+\(2) The case that character are in the same charset is controlled by\n\
 the variable `word-separating-categories'.\n\
 \n\
 Emacs find a word boundary between characters of the same charset\n\
@@ -683,6 +698,7 @@ See the documentation of the variable `word-combining-categories'.");
   defsubr (&Scategory_table);
   defsubr (&Sstandard_category_table);
   defsubr (&Scopy_category_table);
+  defsubr (&Smake_category_table);
   defsubr (&Sset_category_table);
   defsubr (&Schar_category_set);
   defsubr (&Scategory_set_mnemonics);