We support arithmetic coding, which is a feature of libjpeg v7/v8

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@889 632fc199-4ca6-4c93-a231-07263d6284db

README-turbo.txt

@@ -280,6 +280,8 @@ libjpeg v7 and v8 Features:
 
 Fully supported:
 
+-- libjpeg: arithmetic coding
+
 -- cjpeg: Separate quality settings for luminance and chrominance
    Note that the libpjeg v7+ API was extended to accommodate this feature only
    for convenience purposes.  It has always been possible to implement this