LESS: Unrecognized input error when using Bootstrap
After upgrading Harp, I started getting an Unrecognized Input error in an irrelevant line of CSS. Less -> CSS (Unrecognised input) /Users/jorge/Dropbox/harp.io/apps/mysite.com/public/css/main.less Using Bootstrap v2.2.2 and Harp v0.9.4. After digging for a while, I found that the error was coming from the mixin.less file where the #grid stuff was getting defined. This is what the file had originally: (~".span@{index}") { .span(@index); } After reading the LESS change log , I found that they changed the syntax so you can now use variables directly without needing the ~ hack. So I changed my