The use of <!--more--> to set the breakpoint for the generated page summary is mentioned in a release note, but not in the doc itself.
Very useful - and it leaves the formatting in place.
**.Title** The title for the content.<br>
**.Content** The content itself, defined below the front matter.<br>
-**.Summary** A generated summary of the content for easily showing a snippet in a summary view.<br>
+**.Summary** A generated summary of the content for easily showing a snippet in a summary view. Note that the breakpoint can be set manually by inserting *<!--more-->* at the appropriate place in the content page.<br>
**.Description** The description for the content.<br>
**.Keywords** The meta keywords for this content.<br>
**.Date** The date the content is associated with.<br>