lib/46941: Properly document EL_UNBUFFERED.

[sdaoden%gmail.com@localhost]

>Number:         46941
>Category:       lib
>Synopsis:       Properly document EL_UNBUFFERED.
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    lib-bug-people
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Tue Sep 11 11:25:00 +0000 2012
>Originator:     Steffen Nurpmeso
>Release:        netbsd-6-base
>Organization:
>Environment:
None.  netbsd-6-base as of 08-31, manually patched up.
>Description:
Doc yet for el_set() only.
Document just the same as for the others.
>How-To-Repeat:
Be a greenhorn, read el_get() only.  Give up.
>Fix:
    Document EL_UNBUFFERED for el_set()

diff --git a/src/lib/libedit/editline.3 b/src/lib/libedit/editline.3
index 9d06fbc..d44037c 100644
--- a/src/lib/libedit/editline.3
+++ b/src/lib/libedit/editline.3
@@ -432,6 +432,14 @@ check this
 (using
 .Fn el_get )
 to determine if editing should be enabled or not.
+.It Dv EL_UNBUFFERED , Fa "int flag"
+If
+.Fa flag
+is zero,
+unbuffered mode is disabled (the default).
+In unbuffered mode,
+.Fn el_gets
+will return immediately after processing a single character.
 .It Dv EL_GETCFN , Fa "int (*f)(EditLine *, char *c)"
 Define the character reading function as
 .Fa f ,
@@ -534,10 +542,7 @@ previously registered with the corresponding
 .Fn el_set
 call.
 .It Dv EL_UNBUFFERED , Fa "int"
-Sets or clears unbuffered mode.
-In this mode,
-.Fn el_gets
-will return immediately after processing a single character.
+Return non-zero if unbuffered mode is enabled.
 .It Dv EL_PREP_TERM , Fa "int"
 Sets or clears terminal editing mode.
 .It Dv EL_GETFP , Fa "int fd", Fa "FILE **fp"