hints-ext.js is corresponded to Vimperator 3.8 test version.

See about Vimperator 3.8 test version: https://groups.google.com/d/msg/vimperator-labs/sztVDp_j75g/LnXd-xHnDCgJ
hints-ext.js: refactoring rev #438705e

see http://code.google.com/p/vimperator-labs/source/diff?spec=svn1b6c1af7b4060459d9bbba81812543bddde28684&r=1b6c1af7b4060459d9bbba81812543bddde28684&format=side&path=/common/content/statusline.js#sc_svn95ce24c4418efdf7e98e80aedfda9aecc51824ca_90
Merge branch 'master' of https://github.com/caisui/vimperator