Return the translation of @var{msgid} in the message domain @var{domain}. @var{domain} is optional and defaults to the domain set through (textdomain). @var{category} is optional and defaults to LC_MESSAGES.
@end deffn
@deffn {Scheme Procedure} ngettext msgid msgid_plural n [domain [category]]
@deffnx {C Function} scm_ngettext (msgid, msgid_plural, n, domain, category)
Return the translation of @var{msgid}/@var{msgid_plural} in the message domain @var{domain}, with the plural form being chosen appropriately for the number @var{n}. @var{domain} is optional and defaults to the domain set through (textdomain). @var{category} is optional and defaults to LC_MESSAGES.
@end deffn
@deffn {Scheme Procedure} textdomain [domainname]
@deffnx {C Function} scm_textdomain (domainname)
If optional parameter @var{domainname} is supplied, set the textdomain. Return the textdomain.