#filter substitution inspector@mozilla.org @EXTENSION_VERSION@ {ec8030f7-c20a-464f-9b0e-13a3a9e97384} @FIREFOX_VERSION@ @FIREFOX_VERSION@ {3550f703-e582-4d05-9a08-453d09bdfdc6} @THUNDERBIRD_VERSION@ @THUNDERBIRD_VERSION@ {718e30fb-e89b-41dd-9da7-e25a45638b28} @SUNBIRD_VERSION@ @SUNBIRD_VERSION@ true DOM Inspector Inspects the structure and properties of a window and its contents. mozilla.org http://www.mozilla.org/projects/inspector/