+extern Backend pty_backend;
+
+/*
+ * Under GTK, we send MA_CLICK _and_ MA_2CLK, or MA_CLICK _and_
+ * MA_3CLK, when a button is pressed for the second or third time.
+ */
+#define MULTICLICK_ONLY_EVENT 0
+
+/*
+ * Under X, selection data must not be NUL-terminated.
+ */
+#define SELECTION_NUL_TERMINATED 0
+
+/*
+ * Under X, copying to the clipboard terminates lines with just LF.
+ */
+#define SEL_NL { 10 }
+