Whitespace cleanup.

.exports

@@ -1,8 +1,19 @@
 # Make vim the default editor
 export EDITOR="vim"
-# Don’t clear the screen after quitting a manual page
-export MANPAGER="less -X"
 
 # Larger bash history (allow 32³ entries; default is 500)
 export HISTSIZE=32768
 export HISTFILESIZE=$HISTSIZE
+export HISTCONTROL=ignoredups
+# Make some commands not show up in history
+export HISTIGNORE="ls:cd:cd -:pwd:exit:date:* --help"
+
+# Prefer US English and use UTF-8
+export LANG="en_US"
+export LC_ALL="en_US.UTF-8"
+
+# Highlight section titles in manual pages
+export LESS_TERMCAP_md="$ORANGE"
+
+# Don’t clear the screen after quitting a manual page
+export MANPAGER="less -X"