[OpenLayers-Trac] [OpenLayers] #800: Simplify mergeNewParams() Functionality

[OpenLayers]

#800: Simplify mergeNewParams() Functionality
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 Reporter:  euzuro             |       Owner:             
     Type:  feature            |      Status:  new        
 Priority:  minor              |   Milestone:  2.5 Release
Component:  Layer.HTTPRequest  |     Version:  2.4        
 Keywords:                     |  
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 Right now everyone has to take care of redrawing themselves on
 mergeNewParams. This is silly. It should happen automatically. Enter
 redraw() from #795. Once that patch is approved then all we need to do is
 call redraw() on the layer after merging in the new params, and each layer
 will redraw itself accordingly.

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Ticket URL: <http://trac.openlayers.org/ticket/800>
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