| bytes | Package bytes implements functions for the manipulation of byte slices. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/yuin/goldmark/ast | Package ast defines AST nodes that represent markdown elements. |
| github.com/yuin/goldmark/text | Package text provides functionalities to manipulate texts. |
| github.com/yuin/goldmark/util | Package util provides utility functions for the goldmark. |
| io | Package io provides basic interfaces to I/O primitives. |
| regexp | Package regexp implements regular expression search. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |