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authorErlang/OTP <[email protected]>2014-04-07 19:52:48 +0200
committerErlang/OTP <[email protected]>2014-04-07 19:52:48 +0200
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Update release notes
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<p>This document describes the changes made to the asn1 application.</p>
+<section><title>Asn1 3.0</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Subtyping an extensible ENUMERATED would cause an
+ compilation error. (Thanks to Morten Nygaard Åsnes for
+ reporting this bug.)</p>
+ <p>
+ Own Id: OTP-11700</p>
+ </item>
+ <item>
+ <p>When specifying the value for an OCTET STRING in a
+ specification, the ASN.1 standard clearly states that the
+ value must be either a bstring or an hstring, but NOT a
+ cstring. The ASN.1 compiler will now generate a
+ compilation error if the value of an OCTET STRING is
+ given as a character string.</p>
+ <p>That is, the following example is now illegal:</p>
+ <p><c>string OCTET STRING ::= "Now illegal"</c></p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-11727</p>
+ </item>
+ <item>
+ <p>
+ Application upgrade (appup) files are corrected for the
+ following applications: </p>
+ <p>
+ <c>asn1, common_test, compiler, crypto, debugger,
+ dialyzer, edoc, eldap, erl_docgen, et, eunit, gs, hipe,
+ inets, observer, odbc, os_mon, otp_mibs, parsetools,
+ percept, public_key, reltool, runtime_tools, ssh,
+ syntax_tools, test_server, tools, typer, webtool, wx,
+ xmerl</c></p>
+ <p>
+ A new test utility for testing appup files is added to
+ test_server. This is now used by most applications in
+ OTP.</p>
+ <p>
+ (Thanks to Tobias Schlager)</p>
+ <p>
+ Own Id: OTP-11744</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ By giving --enable-static-{nifs,drivers} to configure it
+ is now possible to statically linking of nifs and drivers
+ to the main Erlang VM binary. At the moment only the asn1
+ and crypto nifs of the Erlang/OTP nifs and drivers have
+ been prepared to be statically linked. For more details
+ see the Installation Guide in the System documentation.</p>
+ <p>
+ Own Id: OTP-11258</p>
+ </item>
+ <item>
+ <p>Code generation for the <c>per</c> and <c>uper</c>
+ backends has been somewhat improved.</p>
+ <p>
+ Own Id: OTP-11573</p>
+ </item>
+ <item>
+ <p>The OCTET STRING and BIT STRING types now have a more
+ natural mapping to Erlang types (binary and bitstring,
+ respectively), which is more efficient and will avoid
+ useless conversions between lists and
+ binaries/bitstrings.</p>
+ <p>This is an incompatible change. To revert to the old
+ mapping to support existing applications, use the
+ <c>legacy_erlang_types</c> option.</p>
+ <p>Impact: There is a potential for better performance,
+ as it is now possible to avoid conversions between lists
+ and binaries both in the generated ASN.1 encode/decode
+ code and in the application itself.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-11594</p>
+ </item>
+ <item>
+ <p>All functions in the <c>asn1rt</c> module, as well as
+ <c>asn1ct:decode/3</c> and <c>asn1ct:encode/3</c>, are
+ now deprecated.</p>
+ <p>
+ Own Id: OTP-11731</p>
+ </item>
+ <item>
+ <p>
+ Generated .hrl files are now protected from being
+ included more than once.</p>
+ <p>
+ Own Id: OTP-11804</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Asn1 2.0.4</title>
<section><title>Fixed Bugs and Malfunctions</title>