fix the mis-typed function name `blue` in example code
Fixes #710: Empty block with CSS syntax
Merge remote-tracking branch 'origin/patch-5' into dev
Merge branch 'master' of git://github.com/LearnBoost/stylus into dev
Merge branch 'master' of git://github.com/LearnBoost/stylus into dev
Merge branch 'master' of git://github.com/LearnBoost/stylus into dev
Added optional argument to image-size function for ignore errors. Fixes #738
imporoved for loop documentation to include list range example
Fixes #810 Inline comments break with class declarations
don't try to read absolute urls
use regex
Allow string interpolation in @extend.
Fixes extends within a loop.
Merge pull request #957 from blakeembrey/extend-interpolation

Allow selector interpolation in @extend
Merge pull request #960 from blakeembrey/extend-loop

Fixes @extend within a loop
Merge pull request #948 from scien/master

Don't Evaluate Absolute URLs
make leading quotes optional for absolute url regexp
Allow @extend within media queries.
Finally fixed @extend within a loop context. Added a small test case and all previous cases are passing.
Move the function to the root of the file.