Libsass does not find unqualified *.css source anymore

[sveetch]

Importing a CSS source like:

@import 'foo';

Does not find anymore an existing foo.css file.

See:

• Raw CSS @imports no longer work sass/libsass-python#245
• 3.5.3 regression: importing .css files fails instead of warning (as the release notes indicate) sass/libsass#2636

[sveetch]

Quick workaround for your projects until resolved:

• Use @import 'foo.css'; import instead;
• Rename file foo.css to foo.scss;

[sveetch]

Erratum, first cited workaround don't include source, instead replace it with an @import to the CSS source and that can't be valid in most deployment cases.

So the only workaround is to simply rename file so they are assumed like a Sass source.