API UpdateMapHighlight

__NOTOC__
 name, fileName, texPctX, texPctY, texX, texY, scrollX, scrollY = UpdateMapHighlight(x, y);
Provides rollover region detection for the map frame.
==Parameters==
===Arguments===
:;x : Number - X position of the click (A proportion between 0 and 1, relative to WorldMapDetailFrame)
:;y : Number - Y position of the click (A proportion between 0 and 1, relative to WorldMapDetailFrame)
===Returns===
:;name : String - The name of the area which is being pointed at.
:;fileName : String - The filename of the highlight texture to use, or nil if none.
:;texPctX : Number - Proportion of the highlight texture's full width to use (proportion from 0 to 1) this is a guess
:;texPctY : Number - Proportion of the highlight texture's full height to use (proportion from 0 to 1) this is a guess
:;texX : Number - The width of the highlight texture as a proportion of the map's width (between 0 and 1)
:;texY : Number - The height of the highlight texture as a proportion of the map's height (between 0 and 1)
:;scrollX : Number - The X location of the start of the highlight texture as a proportion of the map's width (between 0 and 1)
:;scrollY : Number - The Y location of the start of the highlight texture as a proportion of the map's height (between 0 and 1)