Error parse: calc function

[momo2555]

Hi,
I have a problem when I use in my less file the css function "calc".
In fact when I write.

margin-left: calc(50% - 10px);
I obtain in my parsed css file:
margin-left: calc(40%);
it's normale?

Thank you.

[jootamas]

Hi, same error, but works with this "quick fix":

https://stackoverflow.com/questions/17904088/disable-less-css-overwriting-calc