Merge branch 'dev' into bmk/inets/ftp/missing_spec_causes_dialyxer_problems/OTP-9114

Also fixed a bunch of "end-years" (was 2010 but should have been 2011,
which the commit hook not happy with).

20 files changed, 154 insertions, 44 deletions

diff --git a/lib/stdlib/doc/src/calendar.xml b/lib/stdlib/doc/src/calendar.xml
index f90d8308b6..075c7f9c78 100644
--- a/lib/stdlib/doc/src/calendar.xml
+++ b/lib/stdlib/doc/src/calendar.xml
@@ -4,7 +4,7 @@
 <erlref>
   <header>
     <copyright>
-      <year>1996</year><year>2009</year>
+      <year>1996</year><year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/dict.xml b/lib/stdlib/doc/src/dict.xml
index 1695e9d14f..40e61d7d33 100644
--- a/lib/stdlib/doc/src/dict.xml
+++ b/lib/stdlib/doc/src/dict.xml
@@ -4,7 +4,7 @@
 <erlref>
   <header>
     <copyright>
-      <year>1996</year><year>2009</year>
+      <year>1996</year><year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/erl_expand_records.xml b/lib/stdlib/doc/src/erl_expand_records.xml
index 7fb03e7c50..c93248493f 100644
--- a/lib/stdlib/doc/src/erl_expand_records.xml
+++ b/lib/stdlib/doc/src/erl_expand_records.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>2005</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/erl_internal.xml b/lib/stdlib/doc/src/erl_internal.xml
index 906b95deb7..732d77c3ae 100644
--- a/lib/stdlib/doc/src/erl_internal.xml
+++ b/lib/stdlib/doc/src/erl_internal.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/erl_pp.xml b/lib/stdlib/doc/src/erl_pp.xml
index 6b15c5afd3..1fdda48893 100644
--- a/lib/stdlib/doc/src/erl_pp.xml
+++ b/lib/stdlib/doc/src/erl_pp.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/filelib.xml b/lib/stdlib/doc/src/filelib.xml
index 47d64f245c..fab68ae77c 100644
--- a/lib/stdlib/doc/src/filelib.xml
+++ b/lib/stdlib/doc/src/filelib.xml
@@ -4,7 +4,7 @@
 <erlref>
   <header>
     <copyright>
-      <year>2003</year><year>2010</year>
+      <year>2003</year><year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
@@ -44,7 +44,7 @@
   <section>
     <title>DATA TYPES</title>
     <code type="none">
-filename() =  = string() | atom() | DeepList | RawFilename
+filename() = string() | atom() | DeepList | RawFilename
   DeepList = [char() | atom() | DeepList]
   RawFilename = binary()
   If VM is in unicode filename mode, string() and char() are allowed to be > 255.
diff --git a/lib/stdlib/doc/src/io.xml b/lib/stdlib/doc/src/io.xml
index efbb1fc078..41e3e92c59 100644
--- a/lib/stdlib/doc/src/io.xml
+++ b/lib/stdlib/doc/src/io.xml
@@ -4,7 +4,7 @@
 <erlref>
   <header>
     <copyright>
-      <year>1996</year><year>2010</year>
+      <year>1996</year><year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
@@ -81,7 +81,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
   </section>
   <funcs>
     <func>
-      <name>columns([IoDevice]) -> {ok,int()} | {error, enotsup}</name>
+      <name>columns() -> {ok,int()} | {error, enotsup}</name>
+      <name>columns(IoDevice) -> {ok,int()} | {error, enotsup}</name>
       <fsummary>Get the number of columns of a device</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -94,7 +95,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
       </desc>
     </func>
     <func>
-      <name>put_chars([IoDevice,] IoData) -> ok</name>
+      <name>put_chars(IoData) -> ok</name>
+      <name>put_chars(IoDevice, IoData) -> ok</name>
       <fsummary>Write a list of characters</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -106,7 +108,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
       </desc>
     </func>
     <func>
-      <name>nl([IoDevice]) -> ok</name>
+      <name>nl() -> ok</name>
+      <name>nl(IoDevice) -> ok</name>
       <fsummary>Write a newline</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -116,7 +119,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
       </desc>
     </func>
     <func>
-      <name>get_chars([IoDevice,] Prompt, Count) -> Data | eof</name>
+      <name>get_chars(Prompt, Count) -> Data | eof</name>
+      <name>get_chars(IoDevice, Prompt, Count) -> Data | eof</name>
       <fsummary>Read a specified number of characters</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -150,7 +154,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
       </desc>
     </func>
     <func>
-      <name>get_line([IoDevice,] Prompt) -> Data | eof | {error,Reason}</name>
+      <name>get_line(Prompt) -> Data | eof | {error,Reason}</name>
+      <name>get_line(IoDevice, Prompt) -> Data | eof | {error,Reason}</name>
       <fsummary>Read a line</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -183,7 +188,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
       </desc>
     </func>
     <func>
-      <name>getopts([IoDevice]) -> Opts</name>
+      <name>getopts() -> Opts</name>
+      <name>getopts(IoDevice) -> Opts</name>
       <fsummary>Get the supported options and values from an I/O-server</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -210,7 +216,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
       </desc>
     </func>
     <func>
-      <name>setopts([IoDevice,] Opts) -> ok | {error, Reason}</name>
+      <name>setopts(Opts) -> ok | {error, Reason}</name>
+      <name>setopts(IoDevice, Opts) -> ok | {error, Reason}</name>
       <fsummary>Set options</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -281,7 +288,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
       </desc>
     </func>
     <func>
-      <name>write([IoDevice,] Term) -> ok</name>
+      <name>write(Term) -> ok</name>
+      <name>write(IoDevice, Term) -> ok</name>
       <fsummary>Write a term</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -293,7 +301,8 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
       </desc>
     </func>
     <func>
-      <name>read([IoDevice,] Prompt) -> Result</name>
+      <name>read(Prompt) -> Result</name>
+      <name>read(IoDevice, Prompt) -> Result</name>
       <fsummary>Read a term</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -356,9 +365,11 @@ charlist() = [unicode_char() | unicode_binary() | charlist()]
     </func>
     <func>
       <name>fwrite(Format) -></name>
-      <name>fwrite([IoDevice,] Format, Data) -> ok</name>
+      <name>fwrite(Format, Data) -> ok</name>
+      <name>fwrite(IoDevice, Format, Data) -> ok</name>
       <name>format(Format) -></name>
-      <name>format([IoDevice,] Format, Data) -> ok</name>
+      <name>format(Format, Data) -> ok</name>
+      <name>format(IoDevice, Format, Data) -> ok</name>
       <fsummary>Write formatted output</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -464,9 +475,9 @@ ok</pre>
             <p>Prints the argument with the <c>string</c> syntax. The
               argument is, if no Unicode translation modifier is present, an 
 	      <seealso marker="erts:erlang#iolist_definition">I/O list</seealso>, a binary, or an atom. If the Unicode translation modifier ('t') is in effect, the argument is chardata(), meaning that binaries are in UTF-8. The characters
-              are printed without quotes. In this format, the printed
-              argument is truncated to the given precision and field
-              width.</p>
+              are printed without quotes. The string is first truncated
+	      by the given precision and then padded and justified
+	      to the given field width. The default precision is the field width.</p>
             <p>This format can be used for printing any object and
               truncating the output so it fits a specified field:</p>
             <pre>
@@ -475,6 +486,8 @@ ok</pre>
 ok
 4> <input>io:fwrite("|~10s|~n", [io_lib:write({hey, hey, hey})]).</input>
 |{hey,hey,h|
+5> <input>io:fwrite("|~-10.8s|~n", [io_lib:write({hey, hey, hey})]).</input>
+|{hey,hey  |
 ok</pre>
           <p>A list with integers larger than 255 is considered an error if the Unicode translation modifier is not given:</p>
 <pre>
@@ -660,7 +673,8 @@ ok
       </desc>
     </func>
     <func>
-      <name>fread([IoDevice,] Prompt, Format) -> Result</name>
+      <name>fread(Prompt, Format) -> Result</name>
+      <name>fread(IoDevice, Prompt, Format) -> Result</name>
       <fsummary>Read formatted input</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -820,7 +834,8 @@ enter><input>:</input>   <input>alan</input>   <input>:</input>   <input>joe</in
       </desc>
     </func>
     <func>
-      <name>rows([IoDevice]) -> {ok,int()} | {error, enotsup}</name>
+      <name>rows() -> {ok,int()} | {error, enotsup}</name>
+      <name>rows(IoDevice) -> {ok,int()} | {error, enotsup}</name>
       <fsummary>Get the number of rows of a device</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -834,7 +849,8 @@ enter><input>:</input>   <input>alan</input>   <input>:</input>   <input>joe</in
     </func>
     <func>
       <name>scan_erl_exprs(Prompt) -></name>
-      <name>scan_erl_exprs([IoDevice,] Prompt, StartLine) -> Result</name>
+      <name>scan_erl_exprs(Prompt, StartLine) -> Result</name>
+      <name>scan_erl_exprs(IoDevice, Prompt, StartLine) -> Result</name>
       <fsummary>Read and tokenize Erlang expressions</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -877,7 +893,8 @@ enter><input>1.0er.</input>
     </func>
     <func>
       <name>scan_erl_form(Prompt) -></name>
-      <name>scan_erl_form([IoDevice,] Prompt, StartLine) -> Result</name>
+      <name>scan_erl_form(Prompt, StartLine) -> Result</name>
+      <name>scan_erl_form(IoDevice, Prompt, StartLine) -> Result</name>
       <fsummary>Read and tokenize an Erlang form</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -900,7 +917,8 @@ enter><input>1.0er.</input>
     </func>
     <func>
       <name>parse_erl_exprs(Prompt) -></name>
-      <name>parse_erl_exprs([IoDevice,] Prompt, StartLine) -> Result</name>
+      <name>parse_erl_exprs(Prompt, StartLine) -> Result</name>
+      <name>parse_erl_exprs(IoDevice, Prompt, StartLine) -> Result</name>
       <fsummary>Read, tokenize and parse Erlang expressions</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
@@ -943,7 +961,8 @@ enter><input>abc("hey".</input>
     </func>
     <func>
       <name>parse_erl_form(Prompt) -></name>
-      <name>parse_erl_form([IoDevice,] Prompt, StartLine) -> Result</name>
+      <name>parse_erl_form(Prompt, StartLine) -> Result</name>
+      <name>parse_erl_form(IoDevice, Prompt, StartLine) -> Result</name>
       <fsummary>Read, tokenize and parse an Erlang form</fsummary>
       <type>
         <v>IoDevice = io_device()</v>
diff --git a/lib/stdlib/doc/src/io_protocol.xml b/lib/stdlib/doc/src/io_protocol.xml
index a97d996d98..3e8ab1affc 100644
--- a/lib/stdlib/doc/src/io_protocol.xml
+++ b/lib/stdlib/doc/src/io_protocol.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1999</year>
-      <year>2009</year>
+      <year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/log_mf_h.xml b/lib/stdlib/doc/src/log_mf_h.xml
index 198a55a63b..f8e11339a7 100644
--- a/lib/stdlib/doc/src/log_mf_h.xml
+++ b/lib/stdlib/doc/src/log_mf_h.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/math.xml b/lib/stdlib/doc/src/math.xml
index 990a6b4024..02e4d6e495 100644
--- a/lib/stdlib/doc/src/math.xml
+++ b/lib/stdlib/doc/src/math.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml
index a8fe41f000..c2676b1de5 100644
--- a/lib/stdlib/doc/src/notes.xml
+++ b/lib/stdlib/doc/src/notes.xml
@@ -4,7 +4,7 @@
 <chapter>
   <header>
     <copyright>
-      <year>2004</year><year>2010</year>
+      <year>2004</year><year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
@@ -30,6 +30,97 @@
   </header>
   <p>This document describes the changes made to the STDLIB application.</p>
 
+<section><title>STDLIB 1.17.3</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+          <p>
+	    Two bugs in io:format for ~F.~Ps has been corrected. When
+	    length(S) >= abs(F) > P, the precision P was incorrectly
+	    ignored. When F == P > lenght(S) the result was
+	    incorrectly left adjusted. Bug found by Ali Yakout who
+	    also provided a fix.</p>
+          <p>
+	    Own Id: OTP-8989 Aux Id: seq11741 </p>
+        </item>
+        <item>
+	    <p>Fix exception generation in the io module
+          <p>
+	    Some functions did not generate correct badarg exception
+	    on a badarg exception.</p></p>
+          <p>
+	    Own Id: OTP-9045</p>
+        </item>
+        <item>
+          <p>
+	    Fixes to the dict and orddict module documentation</p>
+          <p>
+	    Fixed grammar and one inconsistency (Key - Value instead
+	    of key/value, since everywhere else the former is used).
+	    (thanks to Filipe David Manana)</p>
+          <p>
+	    Own Id: OTP-9083</p>
+        </item>
+        <item>
+          <p>
+	    Add ISO week number calculation functions to the calendar
+	    module in stdlib</p>
+          <p>
+	    This new feature adds the missing week number function to
+	    the calendar module of the stdlib application. The
+	    implementation conforms to the ISO 8601 standard. The new
+	    feature has been implemented tested and documented
+	    (thanks to Imre Horvath).</p>
+          <p>
+	    Own Id: OTP-9087</p>
+        </item>
+      </list>
+    </section>
+
+
+    <section><title>Improvements and New Features</title>
+      <list>
+        <item>
+          <p>
+	    Implement the 'MAY' clauses from RFC4648 regarding the
+	    pad character to make mime_decode() and
+	    mime_decode_to_string() functions more tolerant of badly
+	    padded base64. The RFC is quoted below for easy
+	    reference.</p>
+          <p>
+	    "RFC4648 Section 3.3 with reference to MIME decoding:
+	    Furthermore, such specifications MAY ignore the pad
+	    character, "=", treating it as non-alphabet data, if it
+	    is present before the end of the encoded data. If more
+	    than the allowed number of pad characters is found at the
+	    end of the string (e.g., a base 64 string terminated with
+	    "==="), the excess pad characters MAY also be ignored."</p>
+          <p>
+	    Own Id: OTP-9020</p>
+        </item>
+        <item>
+          <p>
+	    Supervisors will no longer save start parameters for
+	    temporary processes as they will not be restarted. In the
+	    case of simple_one_for_one workers such as ssl-connection
+	    processes this will substantial reduce the memory
+	    footprint of the supervisor.</p>
+          <p>
+	    Own Id: OTP-9064</p>
+        </item>
+        <item>
+          <p>
+	    When running escript it is now possible to add the -n
+	    flag and the escript will be compiled using +native.</p>
+          <p>
+	    Own Id: OTP-9076</p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>STDLIB 1.17.2.1</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/stdlib/doc/src/orddict.xml b/lib/stdlib/doc/src/orddict.xml
index 9d036f0725..1b8b74534b 100644
--- a/lib/stdlib/doc/src/orddict.xml
+++ b/lib/stdlib/doc/src/orddict.xml
@@ -4,7 +4,7 @@
 <erlref>
   <header>
     <copyright>
-      <year>2000</year><year>2009</year>
+      <year>2000</year><year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/part_notes_history.xml b/lib/stdlib/doc/src/part_notes_history.xml
index 744b009583..5e055ee606 100644
--- a/lib/stdlib/doc/src/part_notes_history.xml
+++ b/lib/stdlib/doc/src/part_notes_history.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>2006</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/pg.xml b/lib/stdlib/doc/src/pg.xml
index 66b9702ae0..b174d4f7d4 100644
--- a/lib/stdlib/doc/src/pg.xml
+++ b/lib/stdlib/doc/src/pg.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/re.xml b/lib/stdlib/doc/src/re.xml
index 056e7bc9b9..9091035392 100644
--- a/lib/stdlib/doc/src/re.xml
+++ b/lib/stdlib/doc/src/re.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>2007</year>
-      <year>2008</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/shell_default.xml b/lib/stdlib/doc/src/shell_default.xml
index 4f8cc6c5bb..f7e7d5388a 100644
--- a/lib/stdlib/doc/src/shell_default.xml
+++ b/lib/stdlib/doc/src/shell_default.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/supervisor_bridge.xml b/lib/stdlib/doc/src/supervisor_bridge.xml
index b334f57caf..cbd0d9230b 100644
--- a/lib/stdlib/doc/src/supervisor_bridge.xml
+++ b/lib/stdlib/doc/src/supervisor_bridge.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2007</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/sys.xml b/lib/stdlib/doc/src/sys.xml
index 8cbfb9387b..efa8922a9d 100644
--- a/lib/stdlib/doc/src/sys.xml
+++ b/lib/stdlib/doc/src/sys.xml
@@ -4,7 +4,7 @@
 <erlref>
   <header>
     <copyright>
-      <year>1996</year><year>2009</year>
+      <year>1996</year><year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
@@ -243,8 +243,8 @@
           customise the value of <c>Misc</c> by exporting
           a <c>format_status/2</c> function that contributes
           module-specific information;
-          see <seealso marker="gen_server#format_status/2">gen_server:format_status/2</seealso>
-          and <seealso marker="gen_fsm#format_status/2">gen_fsm:format_status/2</seealso>
+          see <seealso marker="gen_server#Module:format_status/2">gen_server:format_status/2</seealso>
+          and <seealso marker="gen_fsm#Module:format_status/2">gen_fsm:format_status/2</seealso>
           for more details.</p>
       </desc>
     </func>
diff --git a/lib/stdlib/doc/src/timer.xml b/lib/stdlib/doc/src/timer.xml
index 1b34e71490..cae655f801 100644
--- a/lib/stdlib/doc/src/timer.xml
+++ b/lib/stdlib/doc/src/timer.xml
@@ -4,7 +4,7 @@
 <erlref>
   <header>
     <copyright>
-      <year>1996</year><year>2009</year>
+      <year>1996</year><year>2011</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
diff --git a/lib/stdlib/doc/src/unicode.xml b/lib/stdlib/doc/src/unicode.xml
index 60edd8ade9..e3a25a407b 100644
--- a/lib/stdlib/doc/src/unicode.xml
+++ b/lib/stdlib/doc/src/unicode.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2009</year>
+      <year>2011</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
@@ -40,7 +40,7 @@
 
   <section>
     <title>DATA TYPES</title>
-    <marker id="charlist_definition"></marker>
+    <marker id="type-charlist"></marker>
     <code type="none">
 unicode_binary() = binary() with characters encoded in UTF-8 coding standard
 unicode_char() = integer() representing valid unicode codepoint