Tom
Created page with "{{Module rating|protected}} {{High-use}} {{Lua|Module:If preview/configuration}} {{Uses TemplateStyles|Module:If preview/styles.css}} This module implements {{Tl|If preview}} and {{Tl|Preview warning}}. It helps templates/modules determine if they are being previewed. Prefer implementing the template versions in other templates. In a module to use the <code>main()</code>, you need to pass a frame table with an args table. For the preview warning, use <code>_warning()..."