Warning: Cannot modify header information – headers already sent
when activating your plugin in debug mode.
It was due to an other plugin being active that gave some debug info as welll I think.
so nvm.
]]>If I’m not mistaken:
]]>The plugin must not embed external links on the public site (like a “powered by” link) without explicitly asking the user’s permission. Any such options in the plugin must default to NOT show the link.