Add window.chgat() method, submitted via e-mail by Fabian Kreutz
diff --git a/Doc/lib/libcurses.tex b/Doc/lib/libcurses.tex
index fa9f974..bf3505a 100644
--- a/Doc/lib/libcurses.tex
+++ b/Doc/lib/libcurses.tex
@@ -646,6 +646,16 @@
corner characters are always used by this function.
\end{methoddesc}
+\begin{methoddesc}[window]{chgat}{\optional{y, x, } \optional{num,} attr}
+Sets the attributes of \var{num} characters at the current cursor
+position, or at position \code{(\var{y}, \var{x})} if supplied. If no
+value of \var{num} is given or \var{num} = -1, the attribute will
+be set on all the characters to the end of the line.
+This function does not move the cursor. The changed line
+will be touched using the \method{touchline} method so that the
+contents will be redisplayed by the next window refresh.
+\end{methoddesc}
+
\begin{methoddesc}[window]{clear}{}
Like \method{erase()}, but also causes the whole window to be repainted
upon next call to \method{refresh()}.