#filter substitution inspector@mozilla.org 1.7+ {ec8030f7-c20a-464f-9b0e-13a3a9e97384} @FIREFOX_VERSION@ @FIREFOX_VERSION@ {3550f703-e582-4d05-9a08-453d09bdfdc6} @THUNDERBIRD_VERSION@ @THUNDERBIRD_VERSION@ true DOM Inspector Inspect the DOM of HTML, XUL, and XML pages, including the browser chrome. mozilla.org http://www.mozilla.org/projects/inspector/