Merge pull request #151 from vim-jp/update-man-tutor

Update man and tutor

Author: k-takata

runtime/doc/vimtutor-ja.UTF-8.1

@@ -35,7 +35,7 @@ vimtutor \- Vim チュートリアル
 は、Colorado State University の Charles Smith のアイデアを基に、
 Colorado School of Mines の Michael C. Pierce と Robert K. Ware
 の両名によって Vi 向けに作成されたものを基にしています。
-E-mail: bware@mines.colorado.edu.
+E-mail: bware@mines.colorado.edu (現在は無効).
 .br
 .B Vim
 に合わせて Bram Moolenaar が変更を加えました。

runtime/doc/vimtutor.1

@@ -47,7 +47,7 @@ The
 was originally written for Vi by Michael C. Pierce and Robert K. Ware,
 Colorado School of Mines using ideas supplied by Charles Smith,
 Colorado State University.
-E-mail: bware@mines.colorado.edu.
+E-mail: bware@mines.colorado.edu (now invalid).
 .br
 It was modified for
 .B Vim

runtime/tutor/tutor

@@ -335,7 +335,7 @@ Doubling to operate on a line also works for operators mentioned below.
   5. Now type a capital  U  to return the line to its original state.
   6. Now type  u  a few times to undo the  U  and preceding commands.
   7. Now type CTRL-R (keeping CTRL key pressed while hitting R) a few times
-     to redo the commands (undo the undo's).
+     to redo the commands (undo the undos).
 
 ---> Fiix the errors oon thhis line and reeplace them witth undo.
 
@@ -365,7 +365,7 @@ Doubling to operate on a line also works for operators mentioned below.
 
   8. To undo previous actions, type:           u  (lowercase u)
      To undo all the changes on a line, type:  U  (capital U)
-     To undo the undo's, type:                 CTRL-R
+     To undo the undos, type:                  CTRL-R
 
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 			 Lesson 3.1: THE PUT COMMAND