private Reader getGStyleSheetReader() {
		URL url = getGStyleSheetURL();
		if (url == null) {
			return null;
		}

		StringBuilder buffy = new StringBuilder();
		try {
			List<String> lines = FileUtilities.getLines(url);
			for (String line : lines) {

				StringBuilder lineBuilder = new StringBuilder();
				changePixels(line, fontSizeModifier, lineBuilder);

				String updatedLine = lineBuilder.toString();
				lineBuilder.delete(0, lineBuilder.length());
				changeColor(updatedLine, lineBuilder);

				buffy.append(lineBuilder.toString());
				buffy.append('\n');
			}
		}
		catch (IOException e) {
			// shouldn't happen
			Msg.debug(this, "Unable to read the lines of the help style sheet: " + url);
		}

		StringReader reader = new StringReader(buffy.toString());
		return reader;
	}
Generates a new event with a URL based upon Ghidra's resources if needed.
Ghidra/Framework/Help/src/main/java/help/GHelpHTMLEditorKit.java