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/runtime/doc/eval.txt b/runtime/doc/eval.txt
index a98958b..806f0cd 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -2369,6 +2369,7 @@
tan({expr}) Float tangent of {expr}
tanh({expr}) Float hyperbolic tangent of {expr}
tempname() String name for a temporary file
+term_getaltscreen({buf}) Number get the alternate screen flag
term_getattr({attr}, {what}) Number get the value of attribute {what}
term_getcursor({buf}) List get the cursor position of a terminal
term_getjob({buf}) Job get the job associated with a terminal
@@ -7914,6 +7915,12 @@
For MS-Windows forward slashes are used when the 'shellslash'
option is set or when 'shellcmdflag' starts with '-'.
+term_getaltscreen({buf}) *term_getaltscreen()*
+ Returns 1 if the terminal of {buf} is using the alternate
+ screen.
+ {buf} is used as with |term_getsize()|.
+ {only available when compiled with the |+terminal| feature}
+
term_getattr({attr}, {what}) *term_getattr()*
Given {attr}, a value returned by term_scrape() in the "attr"
item, return whether {what} is on. {what} can be one of: