@Override
				public void run() {
					Address addressToShow = CommentMerger.this.currentAddress;
					listingPanel.clearAllBackgrounds();
					if (addressToShow != null) {
						listingPanel.paintAllBackgrounds(getCodeUnitAddressSet(addressToShow));
						listingPanel.goTo(addressToShow);
					}
				}
Determines if there is a conflict for the indicated type of comment
at the specified address.
@param addr
@param programMergeCommentType
@return
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/CommentMerger.java