Subtle point, but the libjpeg v7+ API is not backward incompatible.  That is, programs that were built against jpeg-6b can still build against jpeg-7+ with no issues.  It's only the ABI that is backward incompatible, so the primary justification for implementing the emulation feature was to provide run-time (ABI) compatibility.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@910 632fc199-4ca6-4c93-a231-07263d6284db
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