[Patch #739124] Add use_default_colors() to curses module

2 files changed, 14 insertions, 2 deletions

diff --git a/Doc/lib/libcurses.tex b/Doc/lib/libcurses.tex
index 296e887..1eace43 100644
--- a/Doc/lib/libcurses.tex
+++ b/Doc/lib/libcurses.tex
@@ -537,6 +537,15 @@ a window (in which case default behavior would be to use the window
 size if \envvar{LINES} and \envvar{COLUMNS} are not set).
 \end{funcdesc}
 
+\begin{funcdesc}{use_default_colors}{}
+Allow use of default values for colors on terminals supporting this
+feature. Use this to support transparency in your
+application.  The default color is assigned to the color number -1.
+After calling this function, 
+\function{init_pair(x, curses.COLOR_RED, -1)} initializes, for instance,
+color pair \var{x} to a red foreground color on the default background.
+\end{funcdesc}
+
 \subsection{Window Objects \label{curses-window-objects}}
 
 Window objects, as returned by \function{initscr()} and
diff --git a/Doc/whatsnew/whatsnew24.tex b/Doc/whatsnew/whatsnew24.tex
index e49825f..2f0df30 100644
--- a/Doc/whatsnew/whatsnew24.tex
+++ b/Doc/whatsnew/whatsnew24.tex
@@ -69,8 +69,11 @@ details.
 
 \begin{itemize}
 
-\item Descriptions go here.
-
+\item The \module{curses} modules now supports the ncurses extension 
+   \function{use_default_colors()}.   On platforms where the terminal 
+   supports transparency, this makes it possible to use a transparent background.
+   (Contributed by J\"org Lehmann.)
+   
 \end{itemize}