Editing WoW:Widget Anchor Initialization

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The Widget Anchors go through different stages of initialization:

== VARIABLES_LOADED ==
At the time your frame recieves this event, its anchors are initialized to the values in the xml file.

== PLAYER_ENTERING_WORLD ==
When handling this event for a frame which parent is UIParent, World of Warcraft deletes all anchors and loads the layout data from layout-cache.txt. If the frame layout data have not been saved in the cache (the user has never moved the frame with the mouse), [[API_Frame_GetLeft|Frame:GetLeft()]], [[API_Frame_GetBottom|Frame:GetBottom()]], [[API_Frame_GetRight|Frame:GetRight()]] and [[API_Frame_GetTop|Frame:GetTop()]] return nil.

[[Category:Widgets]]