patch 8.2.0970: terminal properties are not available in Vim script
Problem: Terminal properties are not available in Vim script.
Solution: Add the terminalprops() function.
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index e39f1fe..0219b98 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -1148,6 +1148,7 @@
getimstatus() check if IME status is active
interrupt() interrupt script execution
windowsversion() get MS-Windows version
+ terminalprops() properties of the terminal
libcall() call a function in an external library
libcallnr() idem, returning a number