A question for the Twenty Fifteen authors and…

A question for the Twenty Fifteen authors and fellow polyglots, concerning these strings, and their format for screen readers.

Example:

<span class="meta-nav">Next <span class="screen-reader-text">post: </span></span><span class="post-title">%title</span>

If your language uses a different order, i.e. “Artigo seguinte (en: Post next)”, instead of “Next post”, which is the proper way to translate and keep screen readers happy? The space after “Next” is also intriguing.