Add tag -t, deprecate tag -m

manifest hash: 893aa9732b500edfa6ffc099f76b00a88a5b1943

doc/hg.1.txt

@@ -342,7 +342,7 b' status [options] [files]::'
     -I, --include <pat>  include directories matching the given patterns
     -X, --exclude <pat>  exclude directories matching the given patterns
 
-tag [-l -t <text> -d <datecode> -u <user>] <name> [revision]::
+tag [-l -m <text> -d <datecode> -u <user>] <name> [revision]::
     Name a particular revision using <name>.
     
     Tags are used to name particular revisions of the repository and are
@@ -358,7 +358,7 b' tag [-l -t <text> -d <datecode> -u <user'
 
     options:
     -l, --local           make the tag local
-    -t, --text <text>     message for tag commit log entry
+    -m, --text <text>     message for tag commit log entry
     -d, --date <datecode> datecode for commit
     -u, --user <user>     user for commit
 

mercurial/commands.py

@@ -1185,7 +1185,8 b' table = {'
     "tag":
         (tag,
          [('l', 'local', None, 'make the tag local'),
-          ('t', 'text', "", 'commit text'),
+          ('m', 'text', "", 'commit message'),
+          ('t', 'text', "", 'commit message (deprecated)'),
           ('d', 'date', "", 'date code'),
           ('u', 'user', "", 'user')],
          'hg tag [OPTION]... NAME [REV]'),