I thought this was fixed at some point, but apparently it wasn't.
Double quotes in character names prevents saving changes.
Missing mysql_escape_string() or mysql_real_escape_string() function call is the cause as far as I can tell, whichever you prefer :)
This bug is still present.
Following error appeared when trying to edit
Chronos Lait.
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'イビル"・レート)", descshort="", sex='b', gender='m', par' at line 2
Q:
update groups set name="Chronos Lait (Evil;クロノス・"イビル"・レート)", descshort="", sex='b', gender='m', parent=';goldenaxe;' WHERE id=2521
This bug is still present too.