twitter/bootstrap — pull request #3428 by Gavrisimo (2012-05-10 09:26:39+00:00)
Title: Update .placeholder() mixin call

In less/mixins.less this mixin is being created with @placeholderText
color as default, which is actually set as @placeholderText: @grayLight
in less/variables.less so it's redundant to make call like this:

.placeholder(@grayLight);