antd-theme-generator/node_modules/less/test/less-bom/errors/mixin-not-visible-in-scope-1.less

This a script to generate color specific styles less file and which you can use to change theme dynamically in browser

.something {
    & {
        .a {value: a}
    }

    & {
        .b {.a} // was Err. before 1.6.2
    }
}