Dan Stillman da09a3bb96 Allow custom handler for PDF files ... Configurable via extensions.zotero.fileHandler.pdf hidden pref for now, though we'll probably make it a visible pref. We also appear to have been doing blocking launches when launch() failed, which may have been causing UI hangs when opening files on some Linux installations. (I'm not sure if that's an issue with recent Firefox builds. launch() works on Ubuntu 17.10.) All launches are now async. This is a rewritten version of PR #1450 by @ehhc. Closes #1450		2018-03-05 19:36:50 -05:00
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zotero.js	Allow custom handler for PDF files	2018-03-05 19:36:50 -05:00