Documentation updates
* Remove final whitespaces * Update date and version numbers * Suitable tags and menu item added * Improve sentences and punctuation * Unify to 'marble' (Note: it may be necessary to explain that other themes change this item)
* Remove final whitespaces * Update date and version numbers * Suitable tags and menu item added * Improve sentences and punctuation * Unify to 'marble' (Note: it may be necessary to explain that other themes change this item)
mentioned in commit c7399dd2
·mentioned in commit c7399dd2