id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
8246	screen_meta and plugins and columns and 2.7beta3 ???	arena	anonymous	"screen_meta($screen)
3209      if ( !meta_box_prefs($screen) && isset($column_screens[$screen]) ) {
3210          manage_columns_prefs($column_screens[$screen]);

How do i set array $column_screens for my specific screen (in fact page plugin ...)

suggestion :

3189 $column_screens = apply_filters('column_screens', $column_screens, $screen); 

thanks 

"	defect (bug)	closed	high	2.7	Administration		major	fixed