when byte-compiling bridge.el with emacs 23, I got these warnings:
bridge.el:174:1:Warning: !! The file uses old-style backquotes !! This functionality has been obsolete for more than 10 years already and will be removed soon. See (elisp)Backquote in the manual.
In bridge-send-handler: bridge.el:223:31:Warning: bridge-insert called with 2 arguments, but accepts only 1