Text Filters are used to transform your weblog post before it’s displayed in the preview window. This can be useful when simulating the behavior of your weblog system, so that your preview looks identical to the final, published format.
Important: Text Filters do not alter the content of your weblog post before sending it to the server. They are used only to preview what your post will look like after similar text processing is performed on the weblog server.
MarsEdit includes built-in support for Markdown, Textile, and Convert Line Breaks filters. You may apply a filter to an individual post, or you may set a filter as a default for all future posts for a weblog.
To set a text filter as the default for a weblog, open the settings dialog for the weblog, and select the Preview Text Filter in the Composing tab.
Text Filters are stored in your ~/Library/Application Support/MarsEdit/TextFilters/
folder. If you want to add a custom text filter
to MarsEdit, just copy it into this folder.
For more information about text filters, and for information on installing text filter plugins on your weblog, visit the Markdown and Textile homepages.