Yep, sure does... I would guess it registers as an edit as well, but just doesn't show up, due to some check in the display function. Here's the report call:
qa_report_event('q_edit', $userid, $handle, $cookieid, array(
'postid' => $oldquestion['postid'],
'title' => $title,
'content' => $content,
'format' => $format,
'text' => $text,
'tags' => $tagstring,
'oldtitle' => $oldquestion['title'],
'oldcontent' => $oldquestion['content'],
'oldformat' => $oldquestion['format'],
'oldtags' => $oldquestion['tags'],
));
in qa-include/qa-app-post-update.php, and it gets called even for edits right after posts.