diff --git a/runtime/macros/less.vim b/runtime/macros/less.vim
index 6ae5ebc..9042e84 100644
--- a/runtime/macros/less.vim
+++ b/runtime/macros/less.vim
@@ -1,6 +1,6 @@
 " Vim script to work like "less"
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2012 May 18
+" Last Change:	2014 May 13
 
 " Avoid loading this file twice, allow the user to define his own script.
 if exists("loaded_less")
@@ -87,6 +87,9 @@
 map <C-V> <Space>
 map f <Space>
 map <C-F> <Space>
+map <PageDown> <Space>
+map <kPageDown> <Space>
+map <S-Down> <Space>
 map z <Space>
 map <Esc><Space> <Space>
 fun! s:NextPage()
@@ -116,10 +119,14 @@
 map <C-E> <CR>
 map j <CR>
 map <C-J> <CR>
+map <Down> <CR>
 
 " Scroll one page backward
 noremap <script> b <C-B><SID>L
 map <C-B> b
+map <PageUp> b
+map <kPageUp> b
+map <S-Up> b
 map w b
 map <Esc>v b
 
@@ -133,6 +140,7 @@
 map <C-Y> k
 map <C-P> k
 map <C-K> k
+map <Up> k
 
 " Redraw
 noremap <script> r <C-L><SID>L
@@ -143,11 +151,15 @@
 noremap <script> g gg<SID>L
 map < g
 map <Esc>< g
+map <Home> g
+map <kHome> g
 
 " End of file
 noremap <script> G G<SID>L
 map > G
 map <Esc>> G
+map <End> G
+map <kEnd> G
 
 " Go to percentage
 noremap <script> % %<SID>L
@@ -184,6 +196,7 @@
 endfun
 
 call s:Forward()
+cunmap <CR>
 
 " Quitting
 noremap q :q<CR>
@@ -240,6 +253,18 @@
   unmap v
   unmap /
   unmap ?
+  unmap <Up>
+  unmap <Down>
+  unmap <PageDown>
+  unmap <kPageDown>
+  unmap <PageUp>
+  unmap <kPageUp>
+  unmap <S-Down>
+  unmap <S-Up>
+  unmap <Home>
+  unmap <kHome>
+  unmap <End>
+  unmap <kEnd>
 endfun
 
 " vim: sw=2