nl_tokens: Serialize location information to the following JSON format :
pl_tokens: function serializeLocationFields ( location , content ) { if ( ! location ) { return ; } content . position = location . position ; var line = location . line ; if ( ! IS_UNDEFINED ( line ) ) { content . line = line ; } var column = location . column ; if ( ! IS_UNDEFINED ( column ) ) { <mask> . column = column ; } }