DEPRECATION WARNING: Passing null, a non-string value, to unquote()
will be an error in future versions of Sass.
        on line 7 of /sass/spec/libsass-issues/issue_1106/input.scss
DEPRECATION WARNING: Passing null, a non-string value, to unquote()
will be an error in future versions of Sass.
        on line 13 of /sass/spec/libsass-issues/issue_1106/input.scss
