interface to perldoc. you can get perldoc with integrated operation for vim.

:Perldoc UNIVERSAL

Possible to complete names with <tab>

:Perldoc -f grep

:Perldoc -v $$

Set g:perldoc_split_modifier to specify modifier of new/split method like below.

let g:perldoc_split_modifier = '10v'

Type K to open Perldoc on the keywords.