Determines whether @iter is at the start of a display line.
See [method@Gtk.TextView.forward_display_line] for an explanation of display lines vs. paragraphs.
a GtkTextIter
%TRUE if @iter begins a wrapped line
See Implementation
Determines whether @iter is at the start of a display line.
See [method@Gtk.TextView.forward_display_line] for an explanation of display lines vs. paragraphs.