X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;ds=sidebyside;f=web%2Fmanual.m4;h=037269568c289c9d6bec7684a299a68a08903f59;hb=3fe80106bf0dc11987be660db2a39f2cc0a692a4;hp=30fe922f63bd6fab3ffd86ca4f2653dc0423bf1c;hpb=ef679cdaa57f21fb578ab774520b0972fefaefcb;p=paraslash.git

diff --git a/web/manual.m4 b/web/manual.m4
index 30fe922f..03726956 100644
--- a/web/manual.m4
+++ b/web/manual.m4
@@ -251,6 +251,10 @@ Optional:
 	Linux, you'll need to have ALSA's development package
 	libasound2-dev installed.
 
+	- XREFERENCE(http://downloads.xiph.org/releases/ao/,
+	libao). Needed to build the ao writer (ESD, PulseAudio,...).
+	Debian package: libao-dev.
+
 Installation
 ~~~~~~~~~~~~
 
@@ -1678,6 +1682,11 @@ write the PCM data to a file on the file system rather than playing
 it through a sound device. It is supported on all platforms and is
 always compiled in.
 
+*AO*. _Libao_ is a cross-platform audio library which supports a wide
+variety of platforms including PulseAudio (gnome), ESD (Enlightened
+Sound Daemon), AIX, Solaris and IRIX.  The ao writer plays audio
+through an output plugin of libao.
+
 Examples
 ~~~~~~~~