I have a LESS mixin with rule-set to make IE9 hack selectors:
.ie9(@rules) {
html[lang='\
en'] & { @rules(); }
}
Hack source: http://browserhacks.com/#hack-e6b158b7e27bcb157326348efb5c0bb2
But after compiling I see:
SyntaxError: expected ']' got ''' in src/less/mixins.less on line 75, column 13:
74 .ie9(@rules) {
75 html[lang='\
76 ru'] & { @rules(); }
How to fix this in LESS?