I have ruby-1.8.2p2 installed, and as I'm trying to wean myself off grepping
through the Pickaxe V1 whenever I want to find information, I'm trying to
convert to using 'ri'

However, it seems that nothing from the ext/ subdirectories of Ruby has made
it into my ri collection:

$ ri Zlib  
Nothing known about Zlib
$ ri Iconv
Nothing known about Iconv

even though grepping the source seems to show that three ext modules have
been marked up for rdoc:

ext/iconv/iconv.c: * call-seq: Iconv.new(to, from)
ext/strscan/strscan.c: * call-seq: StringScanner.new(string, dup = false)
ext/zlib/zlib.c: * call-seq: Zlib.adler32(string, adler)

Is this a bug in the configure/install process?

However, given that the rest of the ext/ directories have not been marked
up, especially ext/socket, then it looks like I will be grepping Pickaxe V1
for some time to come anyway :-)

Regards,

Brian.