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authorErlang/OTP <[email protected]>2017-03-14 15:59:23 +0100
committerErlang/OTP <[email protected]>2017-03-14 15:59:23 +0100
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</header>
<p>This document describes the changes made to the STDLIB application.</p>
+<section><title>STDLIB 3.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>An escript with only two lines would not work.</p>
+ <p>
+ Own Id: OTP-14098</p>
+ </item>
+ <item>
+ <p> Characters (<c>$char</c>) can be used in constant
+ pattern expressions. They can also be used in types and
+ contracts. </p>
+ <p>
+ Own Id: OTP-14103 Aux Id: ERL-313 </p>
+ </item>
+ <item>
+ <p> The signatures of <c>erl_parse:anno_to_term/1</c> and
+ <c>erl_parse:anno_from_term/1</c> are corrected. Using
+ these functions no longer results in false Dialyzer
+ warnings. </p>
+ <p>
+ Own Id: OTP-14131</p>
+ </item>
+ <item>
+ <p>Pretty-printing of maps is improved. </p>
+ <p>
+ Own Id: OTP-14175 Aux Id: seq13277 </p>
+ </item>
+ <item>
+ <p>If any of the following functions in the <c>zip</c>
+ module crashed, a file would be left open:
+ <c>extract()</c>, <c>unzip()</c>, <c>create()</c>, or
+ <c>zip()</c>. This has been corrected.</p>
+ <p>A <c>zip</c> file having a "Unix header" could not be
+ unpacked.</p>
+ <p>
+ Own Id: OTP-14189 Aux Id: ERL-348, ERL-349 </p>
+ </item>
+ <item>
+ <p> Improve the Erlang shell's tab-completion of long
+ names. </p>
+ <p>
+ Own Id: OTP-14200 Aux Id: ERL-352 </p>
+ </item>
+ <item>
+ <p>
+ The reference manual for <c>sys</c> had some faulty
+ information about the 'get_modules' message used by
+ processes where modules change dynamically during
+ runtime. The documentation is now corrected.</p>
+ <p>
+ Own Id: OTP-14248 Aux Id: ERL-367 </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Bug fixes, new features and improvements to gen_statem:</p>
+ <p>
+ A new type init_result/1 has replaced the old
+ init_result/0, so if you used that old type (that was
+ never documented) you have to change your code, which may
+ be regarded as a potential incompatibility.</p>
+ <p>
+ Changing callback modes after code change did not work
+ since the new callback mode was not recorded. This bug
+ has been fixed.</p>
+ <p>
+ The event types state_timeout and {call,From} could not
+ be generated with a {next_event,EventType,EventContent}
+ action since they did not pass the runtime type check.
+ This bug has now been corrected.</p>
+ <p>
+ State entry calls can now be repeated using (new) state
+ callback returns {repeat_state,...},
+ {repeat_state_and_data,_} and repeat_state_and_data.</p>
+ <p>
+ There have been lots of code cleanup in particular
+ regarding timer handling. For example is async
+ cancel_timer now used. Error handling has also been
+ cleaned up.</p>
+ <p>
+ To align with probable future changes to the rest of
+ gen_*, terminate/3 has now got a fallback and
+ code_change/4 is not mandatory.</p>
+ <p>
+ Own Id: OTP-14114</p>
+ </item>
+ <item>
+ <p><c>filename:safe_relative_path/1</c> to sanitize a
+ relative path has been added.</p>
+ <p>
+ Own Id: OTP-14215</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>STDLIB 3.2</title>
<section><title>Fixed Bugs and Malfunctions</title>