Module:Preview warning
Documentation for this module may be created at Module:Preview warning/doc
local p = {} --[[ main This function returns parameter 1 as a warning if the page containing it is being previewed. Usage: {{#invoke:Preview warning|main|warning_text}} ]] function p.main(frame) local preview = frame.args[1]:match('^%s*(.-)%s*$') or '' if preview == '' then preview = 'Something is wrong with this template' end if frame:preprocess( "{{REVISIONID}}" ) == "" then return '<div class="hatnote" style="color:red"><strong>Warning:</strong> ' .. preview .. ' (this message is shown only in preview)</div>' end end return p