diff --git a/runtime/syntax/tmux.vim b/runtime/syntax/tmux.vim
index 4f435ab..867c033 100644
--- a/runtime/syntax/tmux.vim
+++ b/runtime/syntax/tmux.vim
@@ -1,5 +1,5 @@
 " Language: tmux(1) configuration file
-" Version: 3.0 (git-48cbbb87)
+" Version: 3.2a (git-44ada9cd)
 " URL: https://github.com/ericpruitt/tmux.vim/
 " Maintainer: Eric Pruitt <eric.pruitt@gmail.com>
 " License: 2-Clause BSD (http://opensource.org/licenses/BSD-2-Clause)
@@ -30,14 +30,14 @@
 syn match tmuxVariableExpansion /\${\=\w\+}\=/         display
 syn match tmuxControl           /%\(if\|elif\|else\|endif\)/
 
-syn region tmuxComment start=/#/ skip=/\\\@<!\\$/ end=/$/ contains=tmuxTodo
+syn region tmuxComment start=/#/ skip=/\\\@<!\\$/ end=/$/ contains=tmuxTodo,@Spell
 
-syn region tmuxString start=+"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=tmuxFormatString
-syn region tmuxString start=+'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end='$' contains=tmuxFormatString
+syn region tmuxString start=+"+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=tmuxFormatString,@Spell
+syn region tmuxString start=+'+ skip=+\\\\\|\\'\|\\$+ excludenl end=+'+ end='$' contains=tmuxFormatString,@Spell
 
 " TODO: Figure out how escaping works inside of #(...) and #{...} blocks.
 syn region tmuxFormatString start=/#[#DFhHIPSTW]/ end=// contained keepend
-syn region tmuxFormatString start=/#{/ skip=/#{.\{-}}/ end=/}/ contained keepend
+syn region tmuxFormatString start=/#{/ skip=/#{.\{-}}/ end=/}/ keepend
 syn region tmuxFormatString start=/#(/ skip=/#(.\{-})/ end=/)/ contained keepend
 
 hi def link tmuxFormatString      Identifier
@@ -55,62 +55,69 @@
 hi def link tmuxVariable          Identifier
 hi def link tmuxVariableExpansion Identifier
 
-" Make the foreground of colourXXX keywords match the color they represent.
+" Make the foreground of colourXXX keywords match the color they represent
+" when g:tmux_syntax_colors is unset or set to a non-zero value.
 " Darker colors have their background set to white.
-for s:i in range(0, 255)
-    let s:bg = (!s:i || s:i == 16 || (s:i > 231 && s:i < 235)) ? 15 : "none"
-    exec "syn match tmuxColour" . s:i . " /\\<colour" . s:i . "\\>/ display"
-\     " | highlight tmuxColour" . s:i . " ctermfg=" . s:i . " ctermbg=" . s:bg
-endfor
+if get(g:, "tmux_syntax_colors", 1)
+    for s:i in range(0, 255)
+        let s:bg = (!s:i || s:i == 16 || (s:i > 231 && s:i < 235)) ? 15 : "none"
+        exec "syn match tmuxColour" . s:i . " /\\<colour" . s:i . "\\>/ display"
+\         " | highlight tmuxColour" . s:i . " ctermfg=" . s:i . " ctermbg=" . s:bg
+    endfor
+endif
 
 syn keyword tmuxOptions
-\ backspace buffer-limit command-alias default-terminal escape-time
-\ exit-empty activity-action assume-paste-time base-index bell-action
-\ default-command default-shell default-size destroy-unattached
+\ backspace buffer-limit command-alias copy-command default-terminal editor
+\ escape-time exit-empty activity-action assume-paste-time base-index
+\ bell-action default-command default-shell default-size destroy-unattached
 \ detach-on-destroy display-panes-active-colour display-panes-colour
-\ display-panes-time display-time exit-unattached focus-events history-file
-\ history-limit key-table lock-after-time lock-command message-command-style
-\ message-limit message-style aggressive-resize allow-rename
-\ alternate-screen automatic-rename automatic-rename-format
-\ clock-mode-colour clock-mode-style main-pane-height main-pane-width
-\ mode-keys mode-style monitor-activity monitor-bell monitor-silence mouse
-\ other-pane-height other-pane-width pane-active-border-style
-\ pane-base-index pane-border-format pane-border-status pane-border-style
-\ prefix prefix2 remain-on-exit renumber-windows repeat-time set-clipboard
-\ set-titles set-titles-string silence-action status status-bg status-fg
-\ status-format status-interval status-justify status-keys status-left
-\ status-left-length status-left-style status-position status-right
-\ status-right-length status-right-style status-style synchronize-panes
-\ terminal-overrides update-environment user-keys visual-activity
-\ visual-bell visual-silence window-active-style window-size
-\ window-status-activity-style window-status-bell-style
+\ display-panes-time display-time exit-unattached extended-keys focus-events
+\ history-file history-limit key-table lock-after-time lock-command
+\ message-command-style message-limit message-style aggressive-resize
+\ allow-rename alternate-screen automatic-rename automatic-rename-format
+\ clock-mode-colour clock-mode-style copy-mode-current-match-style
+\ copy-mode-mark-style copy-mode-match-style main-pane-height
+\ main-pane-width mode-keys mode-style monitor-activity monitor-bell
+\ monitor-silence mouse other-pane-height other-pane-width
+\ pane-active-border-style pane-base-index pane-border-format
+\ pane-border-lines pane-border-status pane-border-style pane-colours prefix
+\ prefix2 prompt-history-limit remain-on-exit renumber-windows repeat-time
+\ set-clipboard set-titles set-titles-string silence-action status status-bg
+\ status-fg status-format status-interval status-justify status-keys
+\ status-left status-left-length status-left-style status-position
+\ status-right status-right-length status-right-style status-style
+\ synchronize-panes terminal-features terminal-overrides update-environment
+\ user-keys visual-activity visual-bell visual-silence window-active-style
+\ window-size window-status-activity-style window-status-bell-style
 \ window-status-current-format window-status-current-style
 \ window-status-format window-status-last-style window-status-separator
-\ window-status-style window-style word-separators wrap-search xterm-keys
+\ window-status-style window-style word-separators wrap-search
 
 syn keyword tmuxCommands
 \ attach attach-session bind bind-key break-pane breakp capture-pane
 \ capturep choose-buffer choose-client choose-tree clear-history clearhist
-\ clock-mode command-prompt confirm confirm-before copy-mode detach
-\ detach-client display display-menu display-message display-panes displayp
-\ find-window findw if if-shell join-pane joinp kill-pane kill-server
-\ kill-session kill-window killp has-session has killw link-window linkw
-\ list-buffers list-clients list-commands list-keys list-panes list-sessions
-\ list-windows load-buffer loadb lock lock-client lock-server lock-session
-\ lockc last-pane lastp locks ls last-window last lsb lsc delete-buffer
-\ deleteb lscm lsk lsp lsw menu move-pane move-window movep movew new
-\ new-session new-window neww next next-layout next-window nextl
-\ paste-buffer pasteb pipe-pane pipep prev previous-layout previous-window
-\ prevl refresh refresh-client rename rename-session rename-window renamew
-\ resize-pane resize-window resizep resizew respawn-pane respawn-window
-\ respawnp respawnw rotate-window rotatew run run-shell save-buffer saveb
+\ clock-mode command-prompt confirm confirm-before copy-mode customize-mode
+\ detach detach-client display display-menu display-message display-panes
+\ display-popup displayp find-window findw if if-shell join-pane joinp
+\ kill-pane kill-server kill-session kill-window killp has has-session killw
+\ link-window linkw list-buffers list-clients list-commands list-keys
+\ list-panes list-sessions list-windows load-buffer loadb lock lock-client
+\ lock-server lock-session lockc last-pane lastp locks ls last last-window
+\ lsb delete-buffer deleteb lsc lscm lsk lsp lsw menu move-pane move-window
+\ clear-prompt-history clearphist movep movew new new-session new-window
+\ neww next next-layout next-window nextl paste-buffer pasteb pipe-pane
+\ pipep popup prev previous-layout previous-window prevl refresh
+\ refresh-client rename rename-session rename-window renamew resize-pane
+\ resize-window resizep resizew respawn-pane respawn-window respawnp
+\ respawnw rotate-window rotatew run run-shell save-buffer saveb
 \ select-layout select-pane select-window selectl selectp selectw send
 \ send-keys send-prefix set set-buffer set-environment set-hook set-option
 \ set-window-option setb setenv setw show show-buffer show-environment
-\ show-hooks show-messages show-options show-window-options showb showenv
-\ showmsgs showw source source-file split-window splitw start start-server
-\ suspend-client suspendc swap-pane swap-window swapp swapw switch-client
-\ switchc unbind unbind-key unlink-window unlinkw wait wait-for
+\ show-hooks show-messages show-options show-prompt-history
+\ show-window-options showb showenv showmsgs showphist showw source
+\ source-file split-window splitw start start-server suspend-client suspendc
+\ swap-pane swap-window swapp swapw switch-client switchc unbind unbind-key
+\ unlink-window unlinkw wait wait-for
 
 let &cpo = s:original_cpo
 unlet! s:original_cpo s:bg s:i