diff --git a/bashrc b/bashrc
index 0ffefee..6afbabc 100755
--- a/bashrc
+++ b/bashrc
@@ -354,26 +354,23 @@ clk(){
 }
 
 s(){
-    # if test $# -eq 0
-    # then
-    #     echo "No search word given." 1>&2
-    #     return 1
-    # fi
-
     if git rev-parse --git-dir >/dev/null 2>&1
     then
-        echo ">> Using git-grep" 1>&2
+        echo ">> git grep -n $@" 1>&2
         git grep -n "$@"
     elif which ag >/dev/null 2>&1
     then
-        echo ">> Using ag" 1>&2
+        echo ">> ag --pager=\"$PAGER\" $@" 1>&2
         ag --pager="$PAGER" "$@"
     elif which ack >/dev/null 2>&1
     then
-        echo ">> Using ack" 1>&2
+        echo ">> ack --pager=\"$PAGER\" $@" 1>&2
         ack --pager="$PAGER" "$@"
     else
-        echo ">> Using grep" 1>&2
+        echo \
+            ">> grep -nH --color=always" \
+            "--exclude=\'.svn/\*\' --exclude=\'.git/\*\'" \
+            "$@" "-r ." 1>&2
         if test $# -eq 0
         then
             echo "No search word given." 1>&2
@@ -381,8 +378,6 @@ s(){
         fi
         grep -nH --color=always --exclude='.svn/*' --exclude='.git/*' "$@" -r . \
             | $PAGER
-        # echo "No search command found. Use grep." 2>&1
-        # return 127
     fi
 }
 
diff --git a/emacs.el b/emacs.el
index 488c046..bbc0693 100644
--- a/emacs.el
+++ b/emacs.el
@@ -384,19 +384,19 @@ found, otherwise returns nil."
             ))
 
 (when (require 'whitespace nil t)
+  (add-to-list 'whitespace-display-mappings ; not work
+               `(tab-mark ?\t ,(vconcat "^I\t")))
+  (add-to-list 'whitespace-display-mappings
+               `(newline-mark ?\n ,(vconcat "$\n")))
   (setq whitespace-style '(face
                            trailing     ; trailing blanks
                            newline      ; newlines
                            newline-mark ; use display table for newline
-                           tab-mark
+                           ;; tab-mark
                            empty        ; empty lines at beg or end of buffer
                            lines-tail  ; lines over 80
                            ))
   ;; (setq whitespace-newline 'font-lock-comment-face)
-  (add-to-list 'whitespace-display-mappings
-               `(newline-mark ?\n ,(vconcat "$\n")))
-  (add-to-list 'whitespace-display-mappings ; not work
-               `(tab-mark ?\t ,(vconcat "^I\t")))
   (global-whitespace-mode t)
   (when (eq (display-color-cells)
             256)