Previously, with my static site, I used an include statement at the top of every page to include the site banner, Google site search, main menus, and social icons. Now that I've got that re-created in RSD, I need to go on to all the other top-level pages in my site.

I'm tempted to duplicate the current page to make the additional pages I need, but I'm concerned about being able to update the common header just once when necessary. Should I make these common elements into a separate file, then insert them as an HTML 'include' element?

I'd appreciate any guidance you might have.

As long as you're not using SDrive, you can use PHP Includes to do this.

If I create a HTML element to contain the include, RSD then creates a corresponding 'row,' 'span,' and 'html-element' class which affects the formatting of my navigation bar. Is it possible to insert a 'raw' include in RSD? If I remove all the added divs and pare it down to just the include, it looks fine.

If you leave your html element to auto and none like it is when you add it to the page it should be fine for your include.

I'm pretty sure these are the default values.

Do you have a link to a page with it?

Page as exported from RSD.
http://www.datacad.com/demo/new_index.html

Exported page corrected with manual edits.
http://www.datacad.com/demo/new_index_fixed.html

What are your edits?

See picture.