15.5.18.2 Which keywords will xgettext look for?

Unless you instruct xgettext otherwise by invoking it with one of the options --keyword or -k, it will recognize the following keywords in your Perl sources:

• gettext
• dgettext
• dcgettext
• ngettext:1,2

  The first (singular) and the second (plural) argument will be extracted.

• dngettext:1,2

  The first (singular) and the second (plural) argument will be extracted.

• dcngettext:1,2

  The first (singular) and the second (plural) argument will be extracted.

• gettext_noop
• %gettext

  The keys of lookups into the hash %gettext will be extracted.

• $gettext

  The keys of lookups into the hash reference $gettext will be extracted.