Fix perl support (#2230)

* Fix type

* Use forked perldoc

autoload/SpaceVim/layers/lang/perl.vim

@@ -11,7 +11,7 @@ function! SpaceVim#layers#lang#perl#plugins() abort
   let plugins = []
   call add(plugins, ['c9s/perlomni.vim', {'on_ft' : 'perl'}])
   call add(plugins, ['vim-perl/vim-perl', {'on_ft' : 'perl'}])
-  call add(plugins, ['hotchpotch/perldoc-vim', {'on_cmd' : 'Perldoc'}])
+  call add(plugins, ['wsdjeg/perldoc-vim', {'on_cmd' : 'Perldoc'}])
   return plugins
 endfunction
 

docs/layers/lang/perl.md

@@ -10,8 +10,8 @@ description: "This layer is for perl development, provide autocompletion, syntax
 - [Description](#description)
 - [Features](#features)
 - [Install](#install)
-  - [Layer](#layer)
 - [Key bindings](#key-bindings)
+  - [Find documentation](#find-documentation)
   - [Inferior REPL process](#inferior-repl-process)
   - [Running current script](#running-current-script)
 
@@ -31,8 +31,6 @@ SpaceVim also provides REPL/Debug support for perl.
 
 ## Install
 
-### Layer
-
 To use this configuration layer, update custom configuration file with:
 
 ```toml
@@ -42,6 +40,14 @@ To use this configuration layer, update custom configuration file with:
 
 ## Key bindings
 
+### Find documentation
+
+| Key binding | Description                  |
+| ----------- | ---------------------------- |
+| `K`         | open Perldoc on the keywords |
+
+within perldoc windows, you can use `s` to toggle source code and the documentation.
+
 ### Inferior REPL process
 
 Start a `perl` inferior REPL process with `SPC l s i`.