[git commit] docs/ctty.htm: add a useful URL to

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=17fb598dc2fa094d6bbf56bbc9f6e561f4fb3679
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 docs/ctty.htm |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/docs/ctty.htm b/docs/ctty.htm
index 8f466cd..e7d2877 100644
--- a/docs/ctty.htm
+++ b/docs/ctty.htm
@@ -9,6 +9,8 @@
 
 <p>Before looking at the Linux implementation, first a general Unix
 description of threads, processes, process groups and sessions.
+</p><p>
+(See also <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap11.html">General Terminal Interface</a>)
 </p><p>A session contains a number of process groups, and a process group
 contains a number of processes, and a process contains a number
 of threads.