patch 8.0.1665: when running a terminal from the GUI 'term' is not useful
Problem: When running a terminal from the GUI 'term' is not useful.
Solution: Use $TERM in the GUI if it starts with "xterm". (closes #2776)
diff --git a/runtime/doc/terminal.txt b/runtime/doc/terminal.txt
index f575c82..8dc19cb 100644
--- a/runtime/doc/terminal.txt
+++ b/runtime/doc/terminal.txt
@@ -352,7 +352,9 @@
can even run Vim in the terminal! That's used for debugging, see below.
Environment variables are used to pass information to the running job:
- TERM name of the terminal, from the 'term' option
+ TERM the name of the terminal, from the 'term' option or
+ $TERM in the GUI; falls back to "xterm" if it does not
+ start with "xterm"
ROWS number of rows in the terminal initially
LINES same as ROWS
COLUMNS number of columns in the terminal initially