The problem here is that dhelp_parse is called before the package is configured, and the bdb.rb alternative isn't put in place until libdb4.2-ruby1.8 is configured, which happens to be after doc-linux-html. dhelp is only used opportunistically, so there's no dependency in place, which means this is going to be a bit tedious to fix.
The problem here is that dhelp_parse is called before the package is configured, and the bdb.rb alternative isn't put in place until libdb4.2-ruby1.8 is configured, which happens to be after doc-linux-html. dhelp is only used opportunistically, so there's no dependency in place, which means this is going to be a bit tedious to fix.