Re: Where is the chrome directory?

Xue Fuqiao wrote:

>On Monday, September 8, 2014 7:26:22 AM UTC+8, Neil wrote:
>  
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>>You'll have a chrome directory if you build Firefox yourself, but after it's built it gets packaged in particular all the contents of the chrome directory (amongst others) is zipped up into the omni.ja file.
>>    
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>I see. Thank you. BTW, why is the file extension .ja instead of .zip? Is there a special meaning?
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Yes. When you use Windows System Restore to roll back past an update of 
Firefox, it restores the old executable but leaves zip files alone. 
Unfortunately this causes Firefox to crash because the zip file no 
longer matches the executable. By using the name omni.ja this tricks 
System Restore into restoring the file and Firefox will still work.

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