From de298d1fa24b2d3f127c9f46c7549f77389f439e Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang-solutions.com>
Date: Wed, 20 Jul 2011 17:08:30 +0200
Subject: Add documentation for ber encode nif optmization

---
 lib/asn1/doc/src/asn1_ug.xml |  4 ++--
 lib/asn1/doc/src/asn1ct.xml  | 10 +++++++---
 2 files changed, 9 insertions(+), 5 deletions(-)

(limited to 'lib/asn1')

diff --git a/lib/asn1/doc/src/asn1_ug.xml b/lib/asn1/doc/src/asn1_ug.xml
index 61e4f6062f..1b399fb641 100644
--- a/lib/asn1/doc/src/asn1_ug.xml
+++ b/lib/asn1/doc/src/asn1_ug.xml
@@ -369,7 +369,7 @@ erlc -o ../asnfiles -I ../asnfiles -I /usr/local/standards/asn1 Person.asn
         <item>
           <p>Together with the flags <c>ber_bin</c>
 	  and <c>optimize</c> you choose to use a nif for considerable
-	  faster decode. </p>
+	  faster encode and decode. </p>
         </item>
         <tag><c>+asn1config</c></tag>
         <item>
@@ -631,7 +631,7 @@ asn1ct:decode('H323-MESSAGES','SomeChoiceType',Bytes).      </pre>
     </table>
 
     <p>
-      The sole compile options <c>ber</c>, <c>ber_bin</c>, <c>per</c> and
+      The compile options <c>ber</c>, <c>per</c> and
       <c>driver</c> are kept for backwards compatibility and should not be 
       used in new code. The nif implementation which replaces the linked-in
       driver has been shown to be about 5-15% faster.
diff --git a/lib/asn1/doc/src/asn1ct.xml b/lib/asn1/doc/src/asn1ct.xml
index d7c2572dc8..13e6977419 100644
--- a/lib/asn1/doc/src/asn1ct.xml
+++ b/lib/asn1/doc/src/asn1ct.xml
@@ -225,8 +225,8 @@ Binary = binary()
           <item>
             <p>Option valid together with <c>ber_bin</c> and <c>optimize</c>
 	      options. It enables the use of several nifs that gives faster 
-	      decode. Nifs are only enabled by the explicit use of the option 
-	    <c>nif</c></p>
+	      encode and decode. Nifs are only enabled by the explicit use of 
+	      the option <c>nif</c></p>
           </item>
           <tag><c>asn1config</c></tag>
           <item>
@@ -269,7 +269,11 @@ Binary = binary()
               <c>.set.asn</c> are exported, unless a
               <c>{export,[atom()]}</c> or <c>{export_all,true}</c> option
               are provided. The list of atoms are names of chosen asn1
-              specs from the <c>.set.asn</c> file.</p>
+              specs from the <c>.set.asn</c> file. </p>
+	      <p>When used together with <c>nif</c> for <c>ber_bin</c>, the
+	      asn1 nifs will be used if the <c>asn1rt_nif</c> module is 
+	      available. If it is not available, a slower erlang fallback
+	      will be used.</p>
           </item>
           <tag><c>inline</c></tag>
           <item>
-- 
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