Update parsecfg.nim (#15513)
Update parsecfg.nim (#15513)

* Update parsecfg.nim

Returns the specified default value if the specified key value does not exist.

* Update lib/pure/parsecfg.nim

Co-authored-by: flywind <4c48a0778849be04269f9a7007291695a636fec4@users.noreply.github.com>

* Update lib/pure/parsecfg.nim

Co-authored-by: flywind <4c48a0778849be04269f9a7007291695a636fec4@users.noreply.github.com>

* Update lib/pure/parsecfg.nim

Co-authored-by: flywind <4c48a0778849be04269f9a7007291695a636fec4@users.noreply.github.com>

Co-authored-by: flywind <4c48a0778849be04269f9a7007291695a636fec4@users.noreply.github.com>
dom96/Nim,dom96/Nim,dom96/Nim,dom96/Nim,dom96/Nim,dom96/Nim,dom96/Nim