emacs: change 'grep' define-key
emacs: enable cperl-mode when opening a psgi file
emacs: enable ruby-mode when opening a gemspec file
Add a define-key (M-h -> backward-kill-word)
emacs: add popwin.el
emacs: detect window-system when applying font and frame settings
emacs: add diff-mode settings
emacs: move a setting position of whitespace-trailing color
emacs: add nxml-mode settings
emacs: add java-mode settings
emacs: enable windmove in tmux
emacs: change the meta key setting in mac
emacs: add a comment where the settings derived from
emacs: delete the hiline color settings
gitignore: add emacs history file