Index: subversion/clients/cmdline/main.c
===================================================================
--- subversion/clients/cmdline/main.c	(revision 17002)
+++ subversion/clients/cmdline/main.c	(working copy)
@@ -69,6 +69,7 @@ const apr_getopt_option_t svn_cl__option
     {"quiet",         'q', 0, N_("print as little as possible")},
     {"recursive",     'R', 0, N_("descend recursively")},
     {"non-recursive", 'N', 0, N_("operate on single directory only")},
+    {"change",        'c', 0, N_("Shorthand for the revision range ARG1-1:ARG1")},
     {"revision",      'r', 1, N_
      ("ARG (some commands also take ARG1:ARG2 range)\n"
       "                             A revision argument can be one of:\n"
@@ -466,7 +467,7 @@ const svn_opt_subcommand_desc_t svn_cl__
        "  If WCPATH is omitted, a default value of '.' is assumed, unless\n"
        "  the sources have identical basenames that match a file within '.':\n"
        "  in which case, the differences will be applied to that file.\n"),
-    {'r', 'N', 'q', svn_cl__force_opt, svn_cl__dry_run_opt,
+    {'r', 'N', 'q', 'c', svn_cl__force_opt, svn_cl__dry_run_opt,
      svn_cl__merge_cmd_opt, svn_cl__ignore_ancestry_opt, 
      SVN_CL__AUTH_OPTIONS, svn_cl__config_dir_opt} },
   
@@ -914,6 +915,38 @@ main (int argc, const char * const *argv
         opt_state.message = apr_pstrdup (pool, opt_arg);
         dash_m_arg = opt_arg;
         break;
+      case 'c':
+	{
+          char *end;
+          if (opt_state.start_revision.kind != svn_opt_revision_unspecified)
+	    {
+	      err = svn_error_create
+		(SVN_ERR_CL_ARG_PARSING_ERROR, NULL,
+		 _("Multiple revision arguments encountered; "
+		   "can't specify -c twice, or both -c and -r"));
+	      return svn_cmdline_handle_exit_error (err, pool, "svn: ");
+	    }
+          opt_state.end_revision.value.number = strtol (opt_arg, &end, 10);
+	  opt_state.end_revision.kind = svn_opt_revision_number;
+          if (end == opt_arg || *end != '\0')
+            {
+              err = svn_error_create (SVN_ERR_CL_ARG_PARSING_ERROR, NULL,
+                                      _("Non-numeric change argument given"));
+              return svn_cmdline_handle_exit_error (err, pool, "svn: ");
+            }
+	  else if (opt_state.end_revision.value.number == 0)
+	    {
+	      err = svn_error_create (SVN_ERR_CL_ARG_PARSING_ERROR, NULL,
+                                      _("There is no change 0, changes "
+					"represent the difference from "
+					"revision <change number - 1> "
+					"to <change number>"));
+              return svn_cmdline_handle_exit_error (err, pool, "svn: ");
+	    }
+	  opt_state.start_revision.value.number = opt_state.end_revision.value.number - 1;
+	  opt_state.start_revision.kind = svn_opt_revision_number;	
+        }
+	break;
       case 'r':
         if (opt_state.start_revision.kind != svn_opt_revision_unspecified)
           {