asciidoctor/asciidoctor — pull request #1218 by mojavelinux (2014-11-24 09:41:02+00:00)
Title: resolves #897 define JAVASCRIPT_PLATFORM constant

- define JAVASCRIPT_PLATFORM constant to identify runtime environment for Opal
- change File.read method to switch on JAVASCRIPT_PLATFORM constant
- implement read operation on SpiderMonkey
- minor code cleanups