private void checkOriginalNonNoteBookmark(TaskMonitor monitor, Address addr,
			Bookmark currentBookmark) throws CancelledException {
		String originalType = currentBookmark.getTypeString();
		String originalCategory = currentBookmark.getCategory();
		String originalComment = currentBookmark.getComment();
		// Non-NOTE type.
		Bookmark my = myBookmarkMgr.getBookmark(addr, originalType, originalCategory);
		Bookmark latest =
			latestBookmarkMgr.getBookmark(addr, originalType, originalCategory);

		if (my == null) {
			// Deleted in MY
			if (latest != null) {
				String latestComment = latest.getComment();
				if (!SystemUtilities.isEqual(originalComment, latestComment)) {
					// MY deleted and LATEST changed, so conflict.
					addConflict(addr, originalType, originalCategory);
				}
				else {
					// MY deleted and LATEST didn't.
					merge(addr, originalType, originalCategory, KEEP_MY, monitor);
				}
			}
		}
		else {
			String myComment = my.getComment();
			if (!SystemUtilities.isEqual(originalComment, myComment)) {
				// Changed in MY
				if (latest == null) {
					// MY changed and LATEST deleted, so conflict.
					addConflict(addr, originalType, originalCategory);
				}
				else {
					String latestComment = latest.getComment();
					if (!SystemUtilities.isEqual(originalComment, latestComment) &&
						!SystemUtilities.isEqual(myComment, latestComment)) {
						// MY changed and LATEST changed differently
						addConflict(addr, originalType, originalCategory);
					}
					else {
						// MY changed and LATEST didn't.
						merge(addr, originalType, originalCategory, KEEP_MY, monitor);
					}
				}
			}
		}
	}
Constructs a comments merger.
@param listingMergeMgr the listing merge manager that owns this merger.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/BookmarkMerger.java