Tsearch1 problem

Greetings,

The function txt2txtidx of tsearch1 crashes the backend
in my installation when it is called with a text where '-' is
immediately followed by a number.

Does any one has any solution for it?

Regds
Mallah.

tradein_clients=# SELECT version();
+-----------------------------------------------------------+
| version |
+-----------------------------------------------------------+
| PostgreSQL 7.3 on i686-pc-linux-gnu, compiled by GCC 2.96 |
+-----------------------------------------------------------+
(1 row)

Time: 0.61 ms
tradein_clients=# SELECT txt2txtidx('Hello');
+------------+
| txt2txtidx |
+------------+
| 'hello' |
+------------+
(1 row)

Time: 0.72 ms
tradein_clients=# SELECT txt2txtidx('Hello A');
+------------+
| txt2txtidx |
+------------+
| 'hello' |
+------------+
(1 row)

Time: 0.72 ms
tradein_clients=# SELECT txt2txtidx('Hello A-');
+------------+
| txt2txtidx |
+------------+
| 'hello' |
+------------+
(1 row)

Time: 0.64 ms
tradein_clients=# SELECT txt2txtidx('Hello A-A');
+---------------+
| txt2txtidx |
+---------------+
| 'a-a' 'hello' |
+---------------+
(1 row)

Time: 0.92 ms
tradein_clients=# SELECT txt2txtidx('Hello A-1');
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.
!#