Ubuntu :: Claws Mail - Ellipsis Instead Of Included Text

I am using Claws Mail version 3.7.3 on Ubuntu 9.10. In the last few days, replies that I receive often have the original (quoted) text replaced with an ellipsis [ ... ]. For example, I see: Where the ellipsis is a hyperlink (?), that when double-clicked displays the remainder of the message, as Claws had normally been doing: If I forward the message, everything is included / shown, as expected. It's very annoying to have this program suddenly start behaving this way: When I receive / read a reply, I want to see the entire message ('thread') displayed, not this [... ] ellipsis (hidden original message(s)).