Update runtime files
diff --git a/runtime/ftplugin/erlang.vim b/runtime/ftplugin/erlang.vim
index c775247..31fa0c3 100644
--- a/runtime/ftplugin/erlang.vim
+++ b/runtime/ftplugin/erlang.vim
@@ -5,7 +5,7 @@
 " Contributors: Ricardo Catalinas Jiménez <jimenezrick@gmail.com>
 "               Eduardo Lopez (http://github.com/tapichu)
 "               Arvid Bjurklint (http://github.com/slarwise)
-" Last Update:  2021-Jan-08
+" Last Update:  2021-Nov-22
 " License:      Vim license
 " URL:          https://github.com/vim-erlang/vim-erlang-runtime
 
@@ -30,6 +30,28 @@
 
 setlocal formatoptions+=ro
 
+if get(g:, 'erlang_extend_path', 1)
+  " typical erlang.mk paths
+  let &l:path = join([
+        \ 'deps/*/include',
+        \ 'deps/*/src',
+        \ 'deps/*/test',
+        \ 'deps/*/apps/*/include',
+        \ 'deps/*/apps/*/src',
+        \ &g:path], ',')
+  " typical rebar3 paths
+  let &l:path = join([
+        \ 'apps/*/include',
+        \ 'apps/*/src',
+        \ '_build/default/lib/*/src',
+        \ '_build/default/*/include',
+        \ &l:path], ',')
+  " typical erlang paths
+  let &l:path = join(['include', 'src', 'test', &l:path], ',')
+
+  set wildignore+=*/.erlang.mk/*,*.beam
+endif
+
 setlocal suffixesadd=.erl,.hrl
 
 let &l:include = '^\s*-\%(include\|include_lib\)\s*("\zs\f*\ze")'
diff --git a/runtime/ftplugin/man.vim b/runtime/ftplugin/man.vim
index 0f6d36c..7d59eab 100644
--- a/runtime/ftplugin/man.vim
+++ b/runtime/ftplugin/man.vim
@@ -3,7 +3,7 @@
 " Maintainer:	Jason Franklin <vim@justemail.net>
 " Maintainer:	SungHyun Nam <goweol@gmail.com>
 " Autoload Split: Bram Moolenaar
-" Last Change: 	2022 Jun 18
+" Last Change: 	2022 Sep 30
 
 " To make the ":Man" command available before editing a manual page, source
 " this script from your startup vimrc file.
@@ -23,8 +23,9 @@
 set cpo-=C
 
 if &filetype == "man"
-  " allow dot and dash in manual page name.
-  setlocal iskeyword+=\.,-
+  " Allow hyphen, plus, colon, dot, and commercial at in manual page name.
+  " Allow parentheses for references.
+  setlocal iskeyword=48-57,_,a-z,A-Z,-,+,:,.,@-@,(,)
   let b:undo_ftplugin = "setlocal iskeyword<"
 
   " Add mappings, unless the user didn't want this.