Places the selected text in the terminal in the #GDK_SELECTION_CLIPBOARD
selection in the form specified by @format.
For all formats, the selection data (see #GtkSelectionData) will include the
text targets (see gtk_target_list_add_text_targets() and
gtk_selection_data_targets_includes_text()). For %VTE_FORMAT_HTML,
the selection will also include the "text/html" target, which when requested,
returns the HTML data in UTF-16 with a U+FEFF BYTE ORDER MARK character at
the start.
Places the selected text in the terminal in the #GDK_SELECTION_CLIPBOARD selection in the form specified by @format.
For all formats, the selection data (see #GtkSelectionData) will include the text targets (see gtk_target_list_add_text_targets() and gtk_selection_data_targets_includes_text()). For %VTE_FORMAT_HTML, the selection will also include the "text/html" target, which when requested, returns the HTML data in UTF-16 with a U+FEFF BYTE ORDER MARK character at the start.