Bug 141192 [Viewers] Javadoc change about multiple equal elements in StructuredViewer and AbstractTreeViewer
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/StructuredViewer.java
public void applyFontsAndColors(TreeItem control) {
			
			if(colorProvider == null){
				if(usedDecorators){
					
					if(background != null) {
						control.setBackground(background);
					}
				
					if(foreground != null) {
						control.setForeground(foreground);
					}
				}
			}
			else{
				
				control.setBackground(background);
				control.setForeground(foreground);
			}
			
			if(fontProvider == null){
				if(usedDecorators && font != null) {
					control.setFont(font);
				}
			} else {
				control.setFont(font);
			}
			
			clear();
		}