Boris wrote: > I'm not sure where this list of (extension,type) pairs comes from, > but it looks like the plug-in provides it somehow (possibly even in that > form, looking at > <http://mxr.mozilla.org/mozilla-central/source/modules/plugin/base/src/nsPluginsDirUtils.h#53>).
plugins register tripples: video/quicktime mov,qt,mqv QuickTime Movie mimetype, list-of-extensions, description https://developer.mozilla.org/En/NP_GetMIMEDescription