Bug 553923: Don't word-wrap messages and errors for the WebService

Bugzilla/Template.pm

@@ -680,10 +680,18 @@ sub create {
                 $var =~ s/\>/>/g;
                 $var =~ s/\"/\"/g;
                 $var =~ s/\&/\&/g;
-                # Now remove extra whitespace, and wrap it to 72 characters.
+                # Now remove extra whitespace...
                 my $collapse_filter = $Template::Filters::FILTERS->{collapse};
                 $var = $collapse_filter->($var);
-                $var = wrap_comment($var, 72);
+                # And if we're not in the WebService, wrap the message.
+                # (Wrapping the message in the WebService is unnecessary
+                # and causes awkward things like \n's appearing in error
+                # messages in JSON-RPC.)
+                unless (Bugzilla->usage_mode == USAGE_MODE_JSON
+                        or Bugzilla->usage_mode == USAGE_MODE_XMLRPC)
+                {
+                    $var = wrap_comment($var, 72);
+                }
                 return $var;
             },