Returns true if there is selected text in a display-pane.
capi
display-pane-selection-p pane => selectionp
pane
A display-pane.
selectionp
A boolean.
The function display-pane-selection-p returns t if there is a selected region in pane and nil otherwise.
display-pane-selection-p
t
nil
set-display-pane-selection display-pane display-pane-selected-text display-pane-selection
CAPI User Guide and Reference Manual (Windows version) - 3 Aug 2017