It’s certainly possible to load dynamically. Do we currently do this for any 
other Firefox resources? 

>From what I’ve seen, many PDF’s use CMaps even if they don’t necessarily have 
>CJK characters, so it may just be better to include them. FWIW both Popper and 
>Mupdf embed the CMaps.

Brendan

On Feb 24, 2014, at 3:01 PM, Andreas Gal <andreas....@gmail.com> wrote:

> Is this something we could load dynamically and offline cache?
> 
> Andreas
> 
> Sent from Mobile.
> 
>> On Feb 24, 2014, at 23:41, Brendan Dahl <bd...@mozilla.com> wrote:
>> 
>> PDF.js plans to soon start including and using Adobe CMap files for 
>> converting character codes to character id's(CIDs) and mapping character 
>> codes to unicode values. This will fix a number of bugs in PDF.js and will 
>> improve our support for Chinese, Korean, and Japanese(CJK) documents.
>> 
>> I wanted to inform dev-platform because there are quite a few files and they 
>> are large. The files are loaded lazily as needed so they shouldn't affect 
>> the size of Firefox when running, but they will affect the installation 
>> size. There are 168 files with an average size of ~40KB, and all of the 
>> files together are roughly:
>> 6.9M
>> 2.2M when gzipped
>> 
>> http://sourceforge.net/adobe/cmap/wiki/Home/
>> 
>> _______________________________________________
>> dev-platform mailing list
>> dev-platform@lists.mozilla.org
>> https://lists.mozilla.org/listinfo/dev-platform

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