Unbreak docparser.rb
Unbreak docparser.rb

Regular expression broken by this TextInputWidget snippet:

OO.ui.TextInputWidget.prototype.setPosition =
	OO.ui.TextInputWidget.prototype.setLabelPosition;

Change-Id: I4d110c15d98d5dbd1ab39036d93c49244152ac0f

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui