Multiple selections delete bug

Platform: Windows 2000(build 2195: Service Pack 4)
Language: english
Distribution: binary
Version: 1.2.0 Post Beta1 (Sept 17 2004)

When multiple rows are selected (in Edit Data window) from bottom to top and
Delete button is pressed then either the program crashes or wrong rows are
deleted.

Example: if table has 20 rows and 10, 9, 8, 7, 6 rows are selected (in this
order), on delete, 10, 8, 6, 12, 14 rows are deleted, same number of rows
but not those selected. If selection is made on last rows, program crashes
and in postgres logs I found:

Oct  5 12:01:57 linux postgres[19624]: [11-1] LOG:  could not receive data
from client: Connection reset by peer
Oct  5 12:01:57 linux postgres[19475]: [11-1] LOG:  could not receive data
from client: Connection reset by peer
Oct  5 12:01:57 linux postgres[19476]: [55-1] LOG:  could not receive data
from client: Connection reset by peer
Oct  5 12:01:57 linux postgres[19624]: [12-1] LOG:  unexpected EOF on client
connection
Oct  5 12:01:57 linux postgres[19476]: [56-1] LOG:  unexpected EOF on client
connection
Oct  5 12:01:57 linux postgres[19475]: [12-1] LOG:  unexpected EOF on client
connection