less 1.7.4

v1.7.4

on Node.js Yarn

Handle uppercase paths in browser
Show error if an empty selector is used in extend
Fix property merging in directives
Fix ordering of charset and import directives
Fix race condition that caused a rules is undefined error sometimes if you had a complex import strategy
Better error message for imports missing semi-colons or malformed
Do not use util.print to avoid deprecate warnings in node 0.11