>> Sorry, but this is not possible; it was a feature of SeaMonkey 2.0.x and
>> earlier which used the old XPFE bookmarks system, but SeaMonkey 2.1 and
>> later uses Places so that it can synchronise bookmarks between different
>> computers, however Places does not support that function, the nearest
>> equivalent being Live Bookmarks (RSS feeds).
Thanks for answering, Nail.
> Ah, so it's not possible to manually save a bookmark file as an html file?
It is, but it doesn't give what I was asking about: checking bookmarked
locations for updates.