{"action":"created","issue":{"url":"https://api.github.com/repos/postcss/autoprefixer/issues/424","labels_url":"https://api.github.com/repos/postcss/autoprefixer/issues/424/labels{/name}","comments_url":"https://api.github.com/repos/postcss/autoprefixer/issues/424/comments","events_url":"https://api.github.com/repos/postcss/autoprefixer/issues/424/events","html_url":"https://github.com/postcss/autoprefixer/issues/424","id":60191913,"number":424,"title":"_filter causes syntax error in output.","user":{"login":"kassens","id":11849,"avatar_url":"https://avatars.githubusercontent.com/u/11849?v=3","gravatar_id":"","url":"https://api.github.com/users/kassens","html_url":"https://github.com/kassens","followers_url":"https://api.github.com/users/kassens/followers","following_url":"https://api.github.com/users/kassens/following{/other_user}","gists_url":"https://api.github.com/users/kassens/gists{/gist_id}","starred_url":"https://api.github.com/users/kassens/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kassens/subscriptions","organizations_url":"https://api.github.com/users/kassens/orgs","repos_url":"https://api.github.com/users/kassens/repos","events_url":"https://api.github.com/users/kassens/events{/privacy}","received_events_url":"https://api.github.com/users/kassens/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-03-07T05:31:24Z","updated_at":"2015-03-07T12:52:27Z","closed_at":"2015-03-07T12:52:27Z","body":"I use the webpack loader and some third party CSS I use contains:\r\n\r\n```css\r\n.example {\r\n  _filter: chroma(color=red);\r\n}\r\n```\r\n\r\nThis gets transformed to\r\n\r\n```css\r\n.example {\r\n  _-webkit-filter: chroma(color=red);\r\n  _        filter: chroma(color=red);\r\n}\r\n```\r\n\r\nwhere the stray `_` causes a syntax error in a later webpack step. The `_` hack should probably remain in front of declarations."},"comment":{"url":"https://api.github.com/repos/postcss/autoprefixer/issues/comments/77688152","html_url":"https://github.com/postcss/autoprefixer/issues/424#issuecomment-77688152","issue_url":"https://api.github.com/repos/postcss/autoprefixer/issues/424","id":77688152,"user":{"login":"ai","id":19343,"avatar_url":"https://avatars.githubusercontent.com/u/19343?v=3","gravatar_id":"","url":"https://api.github.com/users/ai","html_url":"https://github.com/ai","followers_url":"https://api.github.com/users/ai/followers","following_url":"https://api.github.com/users/ai/following{/other_user}","gists_url":"https://api.github.com/users/ai/gists{/gist_id}","starred_url":"https://api.github.com/users/ai/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ai/subscriptions","organizations_url":"https://api.github.com/users/ai/orgs","repos_url":"https://api.github.com/users/ai/repos","events_url":"https://api.github.com/users/ai/events{/privacy}","received_events_url":"https://api.github.com/users/ai/received_events","type":"User","site_admin":false},"created_at":"2015-03-07T12:52:27Z","updated_at":"2015-03-07T12:52:27Z","body":"Do you use `_` hack to prevent property on IE?\r\n\r\nYou can disable cascade to fix your case by `autoprefixer({ cascade: false })`."}}