svn	2019-01-09 21:55:21 +0900 (Wed, 09 Jan 2019)

  New Revision: 66761

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66761

  Log:
    * expand tabs.

  Modified files:
    trunk/ext/stringio/stringio.c
Index: ext/stringio/stringio.c
===================================================================
--- ext/stringio/stringio.c	(revision 66760)
+++ ext/stringio/stringio.c	(revision 66761)
@@ -810,8 +810,8 @@ strio_ungetbyte(VALUE self, VALUE c) https://github.com/ruby/ruby/blob/trunk/ext/stringio/stringio.c#L810
         int i = FIX2INT(c);
         if (0 <= i && i <= UCHAR_MAX) {
             char buf[1];
-	    buf[0] = (char)i;
-	    return strio_unget_bytes(ptr, buf, 1);
+            buf[0] = (char)i;
+            return strio_unget_bytes(ptr, buf, 1);
         }
         else {
             rb_raise(rb_eRangeError,

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