### Berkeley DB Reference Guide: Upgrading Berkeley DB Applications |

# Release 3.1: Tcl API

The Berkeley DB Tcl API has been modified so that the -mpool option to the berkdb env command is now the default behavior. The Tcl API has also been modified so that the -txn option to the berkdb env command implies the -lock and -log options. Tcl scripts should be updated to remove the -mpool, -lock and -log options.

The Berkeley DB Tcl API has been modified to follow the Tcl standard rules for integer conversion, for example, if the first two characters of a record number are "0x", the record number is expected to be in hexadecimal form.

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