Add option to target textareas with specific id or name [feature-request]

It would be useful if it could be configured to detect the presence of a textarea with a specific name (set in options) and automatically launch for that text area, right after page load.
eg: wasavi basically covers the main shortcomings of a gitit wiki: The 'close and submit' command is especially useful, to complement it, if it could be so set, then upon hitting 'edit', the next page load would result in wasavi launching automatically for the main page markdown edit box, a textarea id'd and named 'editedText'.

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