diff mercurial/commands.py @ 7012:78341ea65d16

restructure helptable

When looking up a help topic, the key is now only matched against the
short names for each topic, and not the header. So

  hg help 'Environment Variables'

must be replaced with

  hg help env

--- a/mercurial/commands.py	Tue Sep 09 14:43:12 2008 +0200
+++ b/mercurial/commands.py	Tue Sep 09 21:32:39 2008 +0200
@@ -1339,14 +1339,10 @@
             addglobalopts(True)
 
     def helptopic(name):
-        v = None
-        for i, d in help.helptable:
-            l = i.split('|')
-            if name in l:
-                v = i
-                header = l[-1]
-                doc = d
-        if not v:
+        for names, header, doc in help.helptable:
+            if name in names:
+                break
+        else:
             raise cmdutil.UnknownCommand(name)
 
         # description
@@ -1423,9 +1419,8 @@
     if ui.verbose:
         ui.write(_("\nspecial help topics:\n"))
         topics = []
-        for i, d in help.helptable:
-            l = i.split('|')
-            topics.append((", ".join(l[:-1]), l[-1]))
+        for names, header, doc in help.helptable:
+            topics.append((", ".join(names), header))
         topics_len = max([len(s[0]) for s in topics])
         for t, desc in topics:
             ui.write(" %-*s  %s\n" % (topics_len, t, desc))