gettextrs
macro_rules! dcgettext { ($domainname:expr, $category:expr, $msgid:expr, $($args:expr),+ $(,)?) => { ... }; }
Like dcgettext, but allows for formatting.
dcgettext
It calls dcgettext on domainname, category, and msgid, and then replaces each occurrence of {} with the next value out of args.
domainname
category
msgid
{}
args