Setting NSTableView column header with Cocoa bindings

FROM : Larry Campbell
DATE : Wed Dec 03 22:46:47 2008

I'm having trouble setting the column header title in an NSTableView 
using Cocoa bindings. No matter what my value method returns, the 
header title displays as a single open parenthesis. I know, by setting 
a breakpoint, that my value method is getting called. All other uses 
of bindings within the table (text color, value cell contents, etc.) 
behave as expected.

Has anyone else run into this? Is it a known bug?

- lc