patch 7.4.1672

Problem:    The Dvorak support is a bit difficult to install.
Solution:   Turn it into an optional package.

runtime/pack/dist/opt/dvorak/dvorak/disable.vim

@@ -0,0 +1,72 @@
+" Back to Qwerty keyboard after using Dvorak.
+
+iunmap a
+iunmap b
+iunmap c
+iunmap d
+iunmap e
+iunmap f
+iunmap g
+iunmap h
+iunmap i
+iunmap j
+iunmap k
+iunmap l
+iunmap m
+iunmap n
+iunmap o
+iunmap p
+iunmap q
+iunmap r
+iunmap s
+iunmap t
+iunmap u
+iunmap v
+iunmap w
+iunmap x
+iunmap y
+iunmap z
+iunmap ;
+iunmap '
+iunmap "
+iunmap ,
+iunmap .
+iunmap /
+iunmap A
+iunmap B
+iunmap C
+iunmap D
+iunmap E
+iunmap F
+iunmap G
+iunmap H
+iunmap I
+iunmap J
+iunmap K
+iunmap L
+iunmap M
+iunmap N
+iunmap O
+iunmap P
+iunmap Q
+iunmap R
+iunmap S
+iunmap T
+iunmap U
+iunmap V
+iunmap W
+iunmap X
+iunmap Y
+iunmap Z
+iunmap <
+iunmap >
+iunmap ?
+iunmap :
+iunmap [
+iunmap ]
+iunmap {
+iunmap }
+iunmap -
+iunmap _
+iunmap =
+iunmap +

runtime/pack/dist/opt/dvorak/dvorak/enable.vim

@@ -0,0 +1,77 @@
+" Dvorak keyboard, only in Insert mode.
+"
+" Change "inoremap" to "map!" to also use in Ex mode.
+" Also change disable.vim then: "iunmap" to "unmap!".
+"
+" You may want to add a list of map's too.
+
+inoremap a a
+inoremap b x
+inoremap c j
+inoremap d e
+inoremap e .
+inoremap f u
+inoremap g i
+inoremap h d
+inoremap i c
+inoremap j h
+inoremap k t
+inoremap l n
+inoremap m m
+inoremap n b
+inoremap o r
+inoremap p l
+inoremap q '
+inoremap r p
+inoremap s o
+inoremap t y
+inoremap u g
+inoremap v k
+inoremap w ,
+inoremap x q
+inoremap y f
+inoremap z ;
+inoremap ; s
+inoremap ' -
+inoremap " _
+inoremap , w
+inoremap . v
+inoremap / z
+inoremap A A
+inoremap B X
+inoremap C J
+inoremap D E
+inoremap E >
+inoremap F U
+inoremap G I
+inoremap H D
+inoremap I C
+inoremap J H
+inoremap K T
+inoremap L N
+inoremap M M
+inoremap N B
+inoremap O R
+inoremap P L
+inoremap Q "
+inoremap R P
+inoremap S O
+inoremap T Y
+inoremap U G
+inoremap V K
+inoremap W <
+inoremap X Q
+inoremap Y F
+inoremap Z :
+inoremap < W
+inoremap > V
+inoremap ? Z
+inoremap : S
+inoremap [ /
+inoremap ] =
+inoremap { ?
+inoremap } +
+inoremap - [
+inoremap _ {
+inoremap = ]
+inoremap + }

runtime/pack/dist/opt/dvorak/plugin/dvorak.vim

@@ -0,0 +1,16 @@
+" When using a dvorak keyboard this file may be of help to you.
+" These mappings have been made by Lawrence Kesteloot <kesteloo@cs.unc.edu>.
+" What they do is that the most often used keys, like hjkl, are put in a more
+" easy to use position.
+" It may take some time to learn using this.
+
+if exists("g:loaded_dvorak_plugin")
+  finish
+endif
+let g:loaded_dvorak_plugin = 1
+
+" Key to go into dvorak mode:
+map ,d :runtime dvorak/enable.vim<CR>
+
+" Key to get out of dvorak mode:
+map ,q :runtime dvorak/disable.vim<CR>