private static URI resolve(Path sourceFile, String ref) throws URISyntaxException {
		URI resolved;
		if (ref.startsWith("help/")) {
			resolved = new URI(ref);  // help system syntax
		}
		else {
			resolved = sourceFile.toUri().resolve(ref); // real link
		}

		return resolved;
	}
Returns true if the given URI represents a remote resource

@param uri the URI
@return true if the given URI represents a remote resource
Ghidra/Framework/Help/src/main/java/help/HelpBuildUtils.java