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-rw-r--r--lib/asn1/doc/src/asn1ct.xml27
1 files changed, 25 insertions, 2 deletions
diff --git a/lib/asn1/doc/src/asn1ct.xml b/lib/asn1/doc/src/asn1ct.xml
index fcd77e9dc6..5871c8ad68 100644
--- a/lib/asn1/doc/src/asn1ct.xml
+++ b/lib/asn1/doc/src/asn1ct.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="latin1" ?>
+<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE erlref SYSTEM "erlref.dtd">
<erlref>
@@ -42,6 +42,17 @@
can be used in during development of applications which handles ASN.1
data (encoded as BER or PER).</p>
<note>
+ <p>By default in OTP 17, the representation of the BIT STRING
+ and OCTET STRING types as Erlang terms have changed. BIT
+ STRING values are now Erlang bitstrings and OCTET STRING values
+ are binaries. For details see <seealso
+ marker="asn1_ug#BIT STRING">BIT STRING</seealso> and <seealso
+ marker="asn1_ug#OCTET STRING">OCTET STRING</seealso> in User's
+ Guide.</p>
+ <p>To revert to the old representation of the types, use the
+ <c>legacy_erlang_types</c> option.</p>
+ </note>
+ <note>
<p>In R16, the options have been simplified. The back-end is chosen
using one of the options <c>ber</c>, <c>per</c>, or <c>uper</c>.
The options <c>optimize</c>, <c>nif</c>, and <c>driver</c> options
@@ -64,7 +75,7 @@
<v>Asn1module = atom() | string()</v>
<v>Options = [Option| OldOption]</v>
<v>Option = ber | per | uper | der | compact_bit_string |
- legacy_bit_string |
+ legacy_bit_string | legacy_erlang_types |
noobj | {n2n, EnumTypeName} |{outdir, Dir} | {i, IncludeDir} |
asn1config | undec_rest | no_ok_wrapper |
{macro_name_prefix, Prefix} | {record_name_prefix, Prefix} | verbose | warnings_as_errors</v>
@@ -163,6 +174,7 @@ File3.asn </pre>
BIT STRING type section in the Users Guide
</seealso>.
</p>
+ <p>This option implies the <c>legacy_erlang_types</c> option.</p>
</item>
<tag><c>legacy_bit_string</c></tag>
<item>
@@ -175,8 +187,19 @@ File3.asn </pre>
<seealso marker="asn1_ug#BIT STRING">
BIT STRING type section in the Users Guide
</seealso>.
+ <p>This option implies the <c>legacy_erlang_types</c> option.</p>
</p>
</item>
+ <tag><c>legacy_erlang_types</c></tag>
+ <item>
+ <p>Use the same Erlang types to represent BIT STRING and
+ OCTET STRING as in R16. For details see <seealso
+ marker="asn1_ug#BIT STRING">BIT STRING</seealso> and
+ <seealso marker="asn1_ug#OCTET STRING">OCTET
+ STRING</seealso> in User's Guide.</p>
+ <p><em>This option is not recommended for
+ new code.</em></p>
+ </item>
<tag><c>{n2n, EnumTypeName}</c></tag>
<item>
<p>