diff --git a/.config/awesome/rc.lua b/.config/awesome/rc.lua
index 98b21af9..b15721e0 100644
--- a/.config/awesome/rc.lua
+++ b/.config/awesome/rc.lua
@@ -24,7 +24,7 @@ local naughty = require("naughty")
 --naughty.notify({ preset = naughty.config.presets.critical,
 --                 title = "aze",
 --                 text = err })
-                
+
 if ostype == "Linux" then
    vicious = require("vicious")
 end
@@ -43,7 +43,7 @@ end
 -- Handle runtime errors after startup
 do
    local in_error = false
-   awesome.connect_signal("debug::error", 
+   awesome.connect_signal("debug::error",
                       function (err)
                          -- Make sure we don't go into an endless error loop
                          if in_error then return end
@@ -55,7 +55,7 @@ do
                          in_error = false
                       end)
 end
-                        
+
 --------------------------------------------------------------------------------
 -- Themes define colours, icons, and wallpapers
 --------------------------------------------------------------------------------
@@ -128,7 +128,7 @@ if ostype == "Linux" then
    -- Net
    -- CHECK: not sure if args["{".. device .." carrier}"] may have values below 0. What do values of the args table mean?
    local networks = { "eth0", "wlan0" }
-   vicious.register(netwidget, vicious.widgets.net, 
+   vicious.register(netwidget, vicious.widgets.net,
                     function (widget, args)
                        for _,device in pairs(networks) do
                           value = tonumber(args["{".. device .." carrier}"])
@@ -151,7 +151,7 @@ if ostype == "Linux" then
       volpwidget = wibox.widget.textbox()
       vicious.register(volpwidget, vicious.widgets.volume, "PCM $1%", 1, "PCM")
    end
- 
+
    -- Battery
    local batf = io.popen("ls '/sys/class/power_supply' 2>/dev/null")
    local batl = batf:read("*a")
@@ -161,7 +161,7 @@ if ostype == "Linux" then
       -- vicious.register(batwidget, vicious.widgets.bat, '<span color="#73A9CD">$2%$1$3</span> | ', 60, "BAT0")
       --{{ Complex version (time warning)
       -- This functions changes the status color when batlimit is reached.
-      vicious.register(batwidget, vicious.widgets.bat, 
+      vicious.register(batwidget, vicious.widgets.bat,
                        function (widget, args)
                           -- We check if time is displayed (otherwise it's 'N/A'), and if minutes are less than limit.
                           if args[1] == "-"
@@ -487,7 +487,7 @@ clientkeys = awful.util.table.join(
    -- awful.key({ modkey, "Shift"   }, "r",      function (c) c:redraw()                       end),
    awful.key({ modkey,           }, "t",      function (c) c.ontop = not c.ontop            end),
 
-   
+
    -- Floating clients move
    awful.key({ modkey }, "j",         function () awful.client.moveresize(  0,  20,   0,   0) end),
    awful.key({ modkey }, "k",         function () awful.client.moveresize(  0, -20,   0,   0) end),
diff --git a/.emacs.d/modes.el b/.emacs.d/modes.el
index ce4642c0..faf92ffe 100644
--- a/.emacs.d/modes.el
+++ b/.emacs.d/modes.el
@@ -26,12 +26,19 @@
 ;; Mutt support.
 (setq auto-mode-alist (append '(("/tmp/mutt.*" . mail-mode)) auto-mode-alist))
 
-;; Arch Linux PKGBUILD
+;; Arch Linux PKGBUILD.
 (setq auto-mode-alist (append '(("PKGBUILD" . sh-mode)) auto-mode-alist))
 
 ;; README files.
 (setq auto-mode-alist (append '(("README" . text-mode)) auto-mode-alist))
 
+;; Lex/Flex + Yacc/Bison mode.
+(setq auto-mode-alist (append '(("\\.l\\'" . flex-mode)) auto-mode-alist))
+(setq auto-mode-alist (append '(("\\.yy?\\'" . bison-mode)) auto-mode-alist))
+
+;; Subtitles support.
+(setq auto-mode-alist (append '(("\\.srt\\'" . text-mode)) auto-mode-alist))
+
 ;;==============================================================================
 ;; Auto-Insert
 ;;==============================================================================
diff --git a/.emacs.d/plugins.el b/.emacs.d/plugins.el
index 7400f0bd..5186df17 100644
--- a/.emacs.d/plugins.el
+++ b/.emacs.d/plugins.el
@@ -147,6 +147,12 @@
 (if (require 'xclip nil t)
     (turn-on-xclip))
 
+;;==============================================================================
+;; Bison
+;;==============================================================================
+(require 'bison-mode nil t)
+;;(autoload 'bison-mode "bison-mode.el")
+
 ;;==============================================================================
 ;; Multiple-Cursors
 ;;==============================================================================
diff --git a/.emacs.d/snippets/latex-mode/tem.yasnippet b/.emacs.d/snippets/latex-mode/tem.yasnippet
index 4c295afe..5b6001ea 100644
--- a/.emacs.d/snippets/latex-mode/tem.yasnippet
+++ b/.emacs.d/snippets/latex-mode/tem.yasnippet
@@ -4,4 +4,4 @@
 # group: font
 # name: \emph{...}
 # --
-\emph{$1}$0
+\emph{$1}$0
\ No newline at end of file