Returns the panes in a tab-layout.
capi
tab-layout-panes tab-layout => panes
tab-layout-panes
tab-layout
A tab-layout.
panes
A list.
The function tab-layout-panes returns the panes in a tab-layout. Note that this is not necessarily the same as the items of tab-layout , since visible-child-function and/or key may be specified.