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User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-GB; rv:126.96.36.199) Gecko/20101203 Firefox/3.6.13 Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-GB; rv:188.8.131.52) Gecko/20101203 Firefox/3.6.13 The Preferences page is not wide enough and cannot be resized. The consequence is that Content Type information is truncated. Reproducible: Always Steps to Reproduce: 1. Open the Preferences pane. 2. Click on the Applications tab. 3. Scroll to see "Portable Document Format" and "RealPlayer Media Files". Actual Results: These Content Type entries are truncated. Expected Results: The pane should be large enough to show complete information, or it should be resizable.
Note: this is not the same as bug 394791, which is about the Advanced tab. If you want to merge both bugs, please update the summary to reflect this and make it accurate.
This bug is marked as a duplicate of Bug 549369, which is marked as a duplicate of Bug 545027. I don't think they're the same thing. Both of those bugs are about the prefs window scaling. This is still an issue in Firefox 25. Tools -> Options -> Applications truncates content-type and extension information, making it impossible to distinguish between some file types. This problem also affects Thunderbird in Tools -> Options -> Attachments -> Incoming, so I'm changing the product to Core. Since I see this on Windows XP and Windows 7, and the OP reported on Mac, I'm changing platform to All. There should at least be a tooltip to give us some workaround.