Simple Markdown viewer
当前为
For custom CSS, see https://greasyfork.org/scripts/479391
Chromium: For local file support, enable "Allow access to file URLs" in the Violentmonkey/Tampermonkey extension options at chrome://extensions.
Firefox: There is a bug in Firefox that prevents any Markdown viewer from working: https://bugzilla.mozilla.org/show_bug.cgi?id=1319262. Use .md.txt instead of .md as a workaround until the bug is fixed.
TODO: Describe another Firefox bug: https://github.com/violentmonkey/violentmonkey/issues/173 (summary: the reason the script doesn't work on GitHub).
