Invalid PGNs are accepted

[KarolS]

Steps:

1. create a PGN file with the following contents:

[Variant "From Position"]
[FEN "5rk1/4R2R/5r2/8/8/8/5PPP/6K1 w - - 0 1"]

1. Rg7+

2. Tools → PGN → Read PGN file and select the file

What happens:

• The file loads, the move list contains Reg7#

What should happen:

The program should either:

• Refuse to load the file and display an error message
• Load the file partially up to the invalid move, and optionally display an error message

[lukasmonk]

The + is discriminant, a rare case. Fixed in the next update, it will be considered an error and it will not be imported. Thanks.