fix(awful: hotkeys_popup: keys): require all modules in init.lua

awesomerc.lua

@@ -11,8 +11,9 @@ local beautiful = require("beautiful")
 local naughty = require("naughty")
 local menubar = require("menubar")
 local hotkeys_popup = require("awful.hotkeys_popup").widget
--- Enable VIM help for hotkeys widget when client with matching name is opened:
-require("awful.hotkeys_popup.keys.vim")
+-- Enable hotkeys help widget for VIM and other apps
+-- when client with a matching name is opened:
+require("awful.hotkeys_popup.keys")
 
 -- {{{ Error handling
 -- @DOC_ERROR_HANDLING@

lib/awful/hotkeys_popup/keys/init.lua

@@ -8,7 +8,10 @@
 
 
 local keys = {
-  vim = require("awful.hotkeys_popup.keys.vim")
+  vim = require("awful.hotkeys_popup.keys.vim"),
+  firefox = require("awful.hotkeys_popup.keys.firefox"),
+  tmux = require("awful.hotkeys_popup.keys.tmux"),
+  qutebrowser = require("awful.hotkeys_popup.keys.qutebrowser"),
 }
 return keys