[Emacs-diffs] Changes to emacs/lisp/progmodes/cc-langs.el,v

[Alan Mackenzie]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Alan Mackenzie <acmacm> 07/01/07 13:36:41

Index: cc-langs.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/progmodes/cc-langs.el,v
retrieving revision 1.43
retrieving revision 1.44
diff -u -b -r1.43 -r1.44
--- cc-langs.el 1 Jan 2007 22:11:27 -0000       1.43
+++ cc-langs.el 7 Jan 2007 13:36:41 -0000       1.44
@@ -208,23 +208,31 @@
   ;; Some helper functions used when building the language constants.
 
   (defun c-filter-ops (ops opgroup-filter op-filter &optional xlate)
-    ;; Used to filter operators from the list OPS in a DWIM:ey way:
-    ;; OPS either has the structure of `c-operators', as a single
+    ;; Extract a subset of the operators in the list OPS in a DWIM:ey
+    ;; way.  The return value is a plain list of operators:  
+    ;; 
+    ;; OPS either has the structure of `c-operators', is a single
     ;; group in `c-operators', or is a plain list of operators.
-    ;; OPGROUP-FILTER is used filter out the operator groups.  It can
-    ;; be t to choose all groups, a list of the group type symbols to
-    ;; accept, or a function which will be called with the group
-    ;; symbol for each group and should return non-nil for those to
-    ;; include.  OP-FILTER filters the individual operators in each
-    ;; group.  It can be t to choose all operators, a regexp to test
-    ;; against each operator, or a function which will be called for
-    ;; each operator and should return non-nil for those to include.
+    ;; 
+    ;; OPGROUP-FILTER specifies how to select the operator groups.  It
+    ;; can be t to choose all groups, a list of group type symbols
+    ;; (such as 'prefix) to accept, or a function which will be called
+    ;; with the group symbol for each group and should return non-nil
+    ;; if that group is to be included.
+    ;;
+    ;; OP-FILTER filters the individual operators in each group.  It
+    ;; can be t to choose all operators, a regexp to test against each
+    ;; operator, or a function which will be called for each operator
+    ;; and should return non-nil for those to include.
+    ;;
     ;; If XLATE is given, it's a function which is called for each
     ;; matching operator and its return value is collected instead.
     ;; If it returns a list, the elements are spliced directly into
     ;; the final result, which is returned as a list with duplicates
-    ;; removed using `equal'.  `c-mode-syntax-table' for the current
-    ;; mode is in effect during the whole procedure.
+    ;; removed using `equal'.
+    ;;
+    ;; `c-mode-syntax-table' for the current mode is in effect during
+    ;; the whole procedure.
     (unless (listp (car-safe ops))
       (setq ops (list ops)))
     (cond ((eq opgroup-filter t)
@@ -719,11 +727,11 @@
 (c-lang-defconst c-operators
   "List describing all operators, along with their precedence and
 associativity.  The order in the list corresponds to the precedence of
-the operators: The operators in each element is a group with the same
+the operators: The operators in each element are a group with the same
 precedence, and the group has higher precedence than the groups in all
-following elements.  The car of each element describes the type of of
-the operator group, and the cdr is a list of the operator tokens in
-it.  The operator group types are:
+following elements.  The car of each element describes the type of the
+operator group, and the cdr is a list of the operator tokens in it.
+The operator group types are:
 
 'prefix         Unary prefix operators.
 'postfix        Unary postfix operators.