patch 8.0.0251: not easy to select Python 2 or 3
Problem: It is not so easy to write a script that works with both Python 2
and Python 3, even when the Python code works with both.
Solution: Add 'pyxversion', :pyx, etc. (Marc Weber, Ken Takata)
diff --git a/src/proto/ex_cmds2.pro b/src/proto/ex_cmds2.pro
index c1325a4..4a40f0a 100644
--- a/src/proto/ex_cmds2.pro
+++ b/src/proto/ex_cmds2.pro
@@ -75,6 +75,10 @@
void ex_packloadall(exarg_T *eap);
void ex_packadd(exarg_T *eap);
void ex_options(exarg_T *eap);
+void init_pyxversion(void);
+void ex_pyxfile(exarg_T *eap);
+void ex_pyx(exarg_T *eap);
+void ex_pyxdo(exarg_T *eap);
void ex_source(exarg_T *eap);
linenr_T *source_breakpoint(void *cookie);
int *source_dbg_tick(void *cookie);