This is a little late but you can group text and an object/bitmap etc. using a Soft Group. The text remains editable and does not get converted to a bitmap.
Also, when text grouped with a graphic is published, the text is added to a Alt tag in the HTML document. I just tried this using your text from the previous post and the Alt tag includes all the text.
So text exported as a bitmap cannot be edited in the manner of Soft Grouped text, but it can be found by search engines.
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