Changes: Expanded tabs

Changes

@@ -118,7 +118,7 @@ clone.2
         Document that clone() silently ignores CLONE_PID and CLONE_STOPPED
             Normally, system calls return EINVAL for flags they don't support.
             Explicitly document that clone does *not* produce an error for
-	    these two obsolete flags.
+            these two obsolete flags.
     Michael Kerrisk
         Small rewording of explanation of clone() wrt threads
             Clone has so many effects that it's an oversimplification to say
@@ -276,7 +276,7 @@ socket.2
     Heinrich Schuchardt
         SEE ALSO close(2)
             The description mentions close(2). Hence it should also be
-	    referenced in the SEE ALSO section.
+            referenced in the SEE ALSO section.
 
 syscall.2
     Jann Horn
@@ -517,8 +517,8 @@ console_codes.4
         Add Console Private CSI sequence 15
             An undocumented escape sequence in drivers/tty/vt/vt.c brings the
             previously accessed virtual terminal to the foreground.
-	    mtk: Patch misattributed to Taisuke Yamada in Git commit
-	    because of a muck up on my part.
+            mtk: Patch misattributed to Taisuke Yamada in Git commit
+            because of a muck up on my part.
     Michael Kerrisk
         Add kernel version number for CSI sequence 15