## input.scss ```scss %foo { @supports (mask-repeat: repeat-x) { mask-image: url(foo.svg); } } ``` ## Actual results [1] ```css @supports (mask-repeat: repeat-x) { } ``` ## Expected result ``` // No output ``` version info: ```cmd $ node-sass --version node-sass 4.5.3 (Wrapper) [JavaScript] libsass 3.5.0.beta.2 (Sass Compiler) [C/C++] ``` [1]: http://libsass.ocbnet.ch/srcmap/#JWZvbyB7CiAgQHN1cHBvcnRzIChtYXNrLXJlcGVhdDogcmVwZWF0LXgpIHsKICAgICBtYXNrLWltYWdlOiB1cmwoZm9vLnN2Zyk7CiAgfQp9 Edit: I am willing to put in the PR for this if someone would point me in the right direction.