v9.1.8: Revert "Process language attribute"

afca924 Revert "Process language attribute"
ca8f96d Update for release
8dea844 Merge pull request #132 from gpgekko/patch-1
4b43748 Merge pull request #131 from jodersky/page-numbering
5d12eeb Merge pull request #129 from brucewinger/cache-doBreakText
91ee687 Process language attribute
0d1bb7d Extract page number from image src URIs
f6449ad cache previous width and position when calculate currentWidth
66e16bf Next development version