diff --git a/_keysnail.js b/_keysnail.js
index dc53375..4ae1117 100644
--- a/_keysnail.js
+++ b/_keysnail.js
@@ -199,7 +199,7 @@ ext.add("strong-fullscreen", function(){
     }
 
     var tabs = document.getElementById("verticaltabs-box");
-    if(tabs){ 
+    if(tabs){
         var pref_key = "extensions.verticaltabs.width";
         var pref_key_bak = pref_key + "_bak"
         if(isfullscreen){
diff --git a/bashrc b/bashrc
index f56118e..08a3eaa 100755
--- a/bashrc
+++ b/bashrc
@@ -117,7 +117,7 @@ alias py3=python3
 alias py2=python2
 alias _reloadrc="test -f ~/.bashrc && source ~/.bashrc"
 # alias mytime="date +%Y%m%d-%H%M%S"
-alias sh="ENV=$HOME/.shrc PS1=\$\  sh"
+alias sh="ENV=$HOME/.shrc PS1=\$\  PROMPT_COMMAND="" sh"
 # type trash >/dev/null 2>&1 && alias rm=trash
 alias mpg123="mpg123 -C -v --title"
 export PLAYER="mpg123 -C -v --title"
diff --git a/emacs.el b/emacs.el
index 4adb37a..8132bf7 100644
--- a/emacs.el
+++ b/emacs.el
@@ -1,6 +1,7 @@
 ;; (and (file-readable-p "~/.dotfiles/emacs.el")
 ;;      (load-file "~/.dotfiles/emacs.el"))
 
+;; make directories
 (unless (file-directory-p (expand-file-name user-emacs-directory))
   (make-directory (expand-file-name user-emacs-directory)))
 (let ((d (expand-file-name (concat user-emacs-directory
@@ -477,7 +478,7 @@ drill-instructor.el"
 (setq-default tab-width 4)
 (setq-default indent-tabs-mode nil)
 (setq-default indent-line-function nil)
-                                        ;(pc-selection-mode 1) ; this make some already defined keybind back to default
+;; (pc-selection-mode 1) ; make some already defined keybind back to default
 (delete-selection-mode 1)
 (cua-mode 0)
 (setq line-move-visual nil)
@@ -611,8 +612,9 @@ drill-instructor.el"
          (define-key gtags-mode-map (kbd "C-x t b") 'gtags-pop-stack) ;back
          ))
 
-(and (dllib-if-unfound "https://github.com/10sr/emacs-lisp/raw/master/read-only-only-mode.el"
-                       t)
+(and (dllib-if-unfound
+      "https://github.com/10sr/emacs-lisp/raw/master/read-only-only-mode.el"
+      t)
      (require 'read-only-only-mode nil t))
 
 (add-hook 'verilog-mode-hook
@@ -1946,4 +1948,3 @@ delete; o: select other; j, l: enlarge; h, k: shrink; q: quit."
   (when window-system
     (setq w32-enable-synthesized-fonts t))
   (setq file-name-coding-system 'sjis))
-