help: sort results from keyword search

mercurial/commands.py

@@ -3331,7 +3331,7 b' def help_(ui, name=None, unknowncmd=Fals'
                          ('extensioncommands', _('Extension Commands'))):
             if matches[t]:
                 rst.append('%s:\n\n' % title)
-                rst.extend(minirst.maketable(matches[t], 1))
+                rst.extend(minirst.maketable(sorted(matches[t]), 1))
                 rst.append('\n')
     elif name and name != 'shortlist':
         i = None

tests/test-help.t

@@ -790,9 +790,9 b' Test keyword search help'
   
   Commands:
   
-   update update working directory (or switch revisions)
+   clone  make a copy of an existing repository
    paths  show aliases for remote repositories
-   clone  make a copy of an existing repository
+   update update working directory (or switch revisions)
   
   Extensions: