5 files changed, 27 insertions, 7 deletions
diff --git a/runtime/autoload/health/provider.vim b/runtime/autoload/health/provider.vim
index 6183182b73..31a235a397 100644
--- a/runtime/autoload/health/provider.vim
+++ b/runtime/autoload/health/provider.vim
@@ -460,7 +460,7 @@ function! s:check_ruby() abort
           \  'Are you behind a firewall or proxy?'])
     return
   endif
-  let latest_gem = get(split(latest_gem, ' (\|, \|)$' ), 1, 'not found')
+  let latest_gem = get(split(latest_gem, 'neovim (\|, \|)$' ), 1, 'not found')
 
   let current_gem_cmd = host .' --version'
   let current_gem = s:system(current_gem_cmd)
diff --git a/runtime/autoload/man.vim b/runtime/autoload/man.vim
index 361ade59d3..dd71ede680 100644
--- a/runtime/autoload/man.vim
+++ b/runtime/autoload/man.vim
@@ -2,8 +2,17 @@
 
 let s:find_arg = '-w'
 let s:localfile_arg = v:true  " Always use -l if possible. #6683
+let s:section_arg = '-s'
+
+function! s:init_section_flag()
+  call system(['env', 'MANPAGER=cat', 'man', s:section_arg, '1', 'man'])
+  if v:shell_error
+    let s:section_arg = '-S'
+  endif
+endfunction
 
 function! s:init() abort
+  call s:init_section_flag()
   " TODO(nhooyr): Does `man -l` on SunOS list searched directories?
   try
     if !has('win32') && $OSTYPE !~? 'cygwin\|linux' && system('uname -s') =~? 'SunOS' && system('uname -r') =~# '^5'
@@ -211,7 +220,7 @@ function! s:get_path(sect, name) abort
   "   - sections starting with '-'
   "   - 3pcap section (found on macOS)
   "   - commas between sections (for section priority)
-  return s:system(['man', s:find_arg, '-s', a:sect, a:name])
+  return s:system(['man', s:find_arg, s:section_arg, a:sect, a:name])
 endfunction
 
 function! s:verify_exists(sect, name) abort
diff --git a/runtime/autoload/provider/clipboard.vim b/runtime/autoload/provider/clipboard.vim
index a3210046b1..e15aa1f2bd 100644
--- a/runtime/autoload/provider/clipboard.vim
+++ b/runtime/autoload/provider/clipboard.vim
@@ -84,6 +84,12 @@ function! provider#clipboard#Executable() abort
     let s:copy['*'] = s:copy['+']
     let s:paste['*'] = s:paste['+']
     return 'win32yank'
+  elseif exists('$TMUX') && executable('tmux')
+    let s:copy['+'] = 'tmux load-buffer -'
+    let s:paste['+'] = 'tmux save-buffer -'
+    let s:copy['*'] = s:copy['+']
+    let s:paste['*'] = s:paste['+']
+    return 'tmux'
   endif
 
   let s:err = 'clipboard: No clipboard tool available. :help clipboard'
diff --git a/runtime/autoload/provider/ruby.vim b/runtime/autoload/provider/ruby.vim
index c8ede20a75..91b7fb9f2c 100644
--- a/runtime/autoload/provider/ruby.vim
+++ b/runtime/autoload/provider/ruby.vim
@@ -16,7 +16,11 @@ function! s:job_opts.on_stderr(chan_id, data, event)
 endfunction
 
 function! provider#ruby#Detect() abort
-  return exepath('neovim-ruby-host')
+  if exists("g:ruby_host_prog")
+    return g:ruby_host_prog
+  else
+    return exepath('neovim-ruby-host')
+  end
 endfunction
 
 function! provider#ruby#Prog()
@@ -24,15 +28,15 @@ function! provider#ruby#Prog()
 endfunction
 
 function! provider#ruby#Require(host) abort
-  let args = [provider#ruby#Prog()]
+  let prog = provider#ruby#Prog()
   let ruby_plugins = remote#host#PluginsForHost(a:host.name)
 
   for plugin in ruby_plugins
-    call add(args, plugin.path)
+    let prog .= " " . shellescape(plugin.path)
   endfor
 
   try
-    let channel_id = jobstart(args, s:job_opts)
+    let channel_id = jobstart(prog, s:job_opts)
     if rpcrequest(channel_id, 'poll') ==# 'ok'
       return channel_id
     endif
diff --git a/runtime/autoload/shada.vim b/runtime/autoload/shada.vim
index cf27ee608a..87acc515ee 100644
--- a/runtime/autoload/shada.vim
+++ b/runtime/autoload/shada.vim
@@ -45,7 +45,7 @@ call map(copy(s:SHADA_ENTRY_NAMES),
 let s:SHADA_MAP_ENTRIES = {
   \'search_pattern': ['sp', 'sh', 'ss', 'sb', 'sm', 'sc', 'sl', 'se', 'so',
   \                   'su'],
-  \'register': ['n', 'rc', 'rw', 'rt'],
+  \'register': ['n', 'rc', 'rw', 'rt', 'ru'],
   \'global_mark': ['n', 'f', 'l', 'c'],
   \'local_mark': ['f', 'n', 'l', 'c'],
   \'jump': ['f', 'l', 'c'],
@@ -139,6 +139,7 @@ let s:SHADA_STANDARD_KEYS = {
   \'rt': ['type', 'regtype', s:SHADA_ENUMS.regtype.CHARACTERWISE],
   \'rw': ['block width', 'uint', 0],
   \'rc': ['contents', 'binarray', s:SHADA_REQUIRED],
+  \'ru': ['is_unnamed', 'boolean', g:msgpack#false],
   \'n':  ['name', 'intchar', char2nr('"')],
   \'l':  ['line number', 'uint', 1],
   \'c':  ['column', 'uint', 0],