public static Path relativizeWithHelpTopics(Path p) {
		if (p == null) {
			return null;
		}
		Path helpTopics = p.getFileSystem().getPath("help", "topics");
		return relativize(helpTopics, p);
	}
Returns a path object using the given source file path as the source of the given relative 
path.  The returned path represents a local file on the file system.

@param srcFile the source file path
@param relativePath the relative path
@return a path or null if the resolved path is not a local file
Ghidra/Framework/Help/src/main/java/help/HelpBuildUtils.java