WARNING on line 5, column 6 of spec/sass_3_5/functions/get-function/local-scope/input.scss: 
DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal
in Sass 4.0. Use call(get-function(foo)) instead.
  a: call(foo);
     ^^^^^^^^^

WARNING on line 9, column 6 of spec/sass_3_5/functions/get-function/local-scope/input.scss: 
DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal
in Sass 4.0. Use call(get-function(foo)) instead.
  a: call(foo);
     ^^^^^^^^^
