+ * Revision 1.17 2002/10/19 11:59:04 mdw
+ * Fix leftovers bug in reading.
+ *
+ * Revision 1.16 2002/10/15 22:57:43 mdw
+ * Bug fix: prevent negative zero.
+ *
+ * Revision 1.15 2002/10/15 19:18:15 mdw
+ * Fix fencepost bugs in binary radix writing.
+ *
+ * Revision 1.14 2002/10/09 00:33:44 mdw
+ * Allow `0o' and `0b' prefixes for octal and binary (from Haskell)
+ *
+ * Revision 1.13 2002/10/09 00:21:06 mdw
+ * Allow user-specified `r_xx' bases to be up to 62.
+ *
+ * Revision 1.12 2002/01/13 19:51:18 mdw
+ * Extend the textual format to bases up to 62 by distinguishing case.
+ *