I just found out that you can edit the allowable version level info in the "install.rdf" file that's included in the .xpi package. I did it last night for another extension and it worked fine (the edit that is - the extension wouldn't work at all).
Here's how I did it (I was using the Image Zoomer extension):
1) Downloaded the xpi file to my Desktop
2) Opened it in WinZip
3) Click on, hold and drag the install.rdf file to your Desktop (this is your backup copy if the edits hose your FireFox.
4) Right clicked on install.rdf and selected Open With and then Notepad
5) Edited the line - <em:maxVersion>1.0.7
to - <em:maxVersion>1.5.2
NOTE: This required some experimentation to get it to work as there are several lines with this wording. I'm sure that a Mozilla expert could tell you which one - but it was really easy to edit each line and try the install.
6) Saved and exited Notepad
7) Answered Yes when it asked if I wanted to incorporate it into the current archive.
8) Restart FireFox and test the dickens out of the extension - mine had a huge error bar across the bottom of the Firefox window, but other errors may not be so obvious.
9) I was able to uninstall the extension when it died by using the uninstall feature of the extensions manager - you may not be as lucky
Edited by usasma, 13 October 2005 - 10:48 AM.
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