| errors | Package errors implements functions to manipulate errors. |
| golang.org/x/text/internal | Package internal contains non-exported functionality that are used by packages in the text repository. |
| golang.org/x/text/internal/format/plural | Package plural defines the grammatical plural feature. |
| golang.org/x/text/internal/stringset | Package stringset provides a way to represent a collection of strings compactly. |
| golang.org/x/text/language | Package language implements BCP 47 language tags and related functionality. |
| unicode/utf8 | Package utf8 implements functions and constants to support text encoded in UTF-8. |