1:make unified address class (is it really required? since ipv6 can contain ipv4 addr)
 
 {section: Note}
-*:internet.h has a lot of 'seemed' IP-v6 incompatible functions.
+*:internet.h seems to have a lot of IP-v6 incompatible functions.
+*:why do you call <a.b.c.d:pppp> as sinful string? what does it mean 'sinful'?
 
-
-*** currently, this is just temporary page
-{linebreak}
-why do you call <a.b.c.d:pppp> as sinful string? what does it mean 'sinful'?
+{subsection: *** currently, this is just temporary page}