patch 8.0.0898: can't use the alternate screen in a terminal window
Problem: Can't use the alternate screen in a terminal window.
Solution: Initialze the alternate screen. (Yasuhiro Matsumoto, closes
#1957) Add term_getaltscreen().
diff --git a/src/evalfunc.c b/src/evalfunc.c
index b5880c5..6cb0ed7 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -831,6 +831,7 @@
#endif
{"tempname", 0, 0, f_tempname},
#ifdef FEAT_TERMINAL
+ {"term_getaltscreen", 1, 1, f_term_getaltscreen},
{"term_getattr", 2, 2, f_term_getattr},
{"term_getcursor", 1, 1, f_term_getcursor},
{"term_getjob", 1, 1, f_term_getjob},