gettext: eval_npgettext Invocation

 
 15.5.12.9 Invoking the ‘eval_npgettext’ function
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      eval_npgettext MSGCTXT MSGID MSGID-PLURAL COUNT
 
    This function outputs the native language translation of a textual
 message whose grammatical form depends on a number in the given context
 MSGCTXT (see ⇒Contexts), performing dollar-substitution on the
 result.  Note that only shell variables mentioned in MSGID or
 MSGID-PLURAL will be dollar-substituted in the result.