dd_lightbar_menu.js: Fix for substrWithAttrCodes(): If the given length is 0, then just return an empty string
dd_lightbar_menu.js: Fix for substrWithAttrCodes(): If the given length is 0, then just return an empty string
dd_lightbar_menu.js: Fix for substrWithAttrCodes(): If the given length is 0, then just return an empty string