WARNING on line 3, column 8 of spec/libsass-issues/issue_1266/min-3.5/input.scss: 
DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal
in Sass 4.0. Use call(get-function(min)) instead.
  bar: call(min, $foo...);
       ^^^^^^^^^^^^^^^^^^

Error: blah is not a number.
  bar: call(min, $foo...);
       ^^^^^^^^^^^^^^^^^^
  spec/libsass-issues/issue_1266/min-3.5/input.scss 3:8  root stylesheet
