SF #665570, curses causes interpreter crash
The interpreter doesn't crash, but it does call exit() in libncurses.
Add a note to this effect.
Will backport
diff --git a/Doc/lib/libcurses.tex b/Doc/lib/libcurses.tex
index 40711f3..9c11553 100644
--- a/Doc/lib/libcurses.tex
+++ b/Doc/lib/libcurses.tex
@@ -266,7 +266,8 @@
\begin{funcdesc}{initscr}{}
Initialize the library. Returns a \class{WindowObject} which represents
-the whole screen.
+the whole screen. \note{If there is an error opening the terminal,
+the underlying curses library may cause the interpreter to exit.}
\end{funcdesc}
\begin{funcdesc}{isendwin}{}