# optin/trunk/includes/compatibility

WowOptin: Next-Gen Popup Maker – Create Stunning Popups and Optins for Lead Generation, version trunk. 1 entry.

- Page: https://pluginprobe.com/plugins/optin/trunk/code/includes/compatibility
- Release archive: https://downloads.wordpress.org/plugin/optin.1.4.48.zip

- file [class-caching-plugins.php](https://pluginprobe.com/plugins/optin/trunk/code/includes/compatibility/class-caching-plugins.php)

Append `?format=md` to any of these, or send `Accept: text/markdown`, to read them as
Markdown. Add `/raw/` in place of `/code/` for the file with no wrapper at all.