Originally reported by: **Marcel Bollmann (Bitbucket: [mbollmann](https://bitbucket.org/mbollmann), GitHub: [mbollmann](https://github.com/mbollmann))** ---------------------------------------- E.g. ensure that all files use spaces, not tabs. (Some PHP files are definitely not uniform in this regard.) ---------------------------------------- - Bitbucket: https://bitbucket.org/mbollmann/cora/issue/68
