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Changes since Pike 7.6: 
---------------------------------------------------------------------- 
 
o Added ABI selection. 
  It's now possible to select whether to compile in 32bit or 64bit 
  mode at configure time by using the --with-abi option. 
 
o New syntax to index from the end in range operations. 
  A "<" can be added before an index in the [..] operator to count 
  from the end instead. This is convenient to e.g. chop off the last 
  element in an array: a[..<1]. 
 
o Several declarations and definitions (most notably the debug and 
  runtime flags) have moved from main.h to pike_embed.h, in an attempt 
  to add support for embedding. 
 
o New `[..] operator function. 
  Range operations have been separated from the `[] operator function 
  and is handled by a new `[..] which provides greater control in how 
  the range bounds are specified. For compatibility, if there is no 
  `[..] then `[] is still called for range operations. 
 
  FIXME: Describe relation with Pike.INDEX_FROM_BEG/END & OPEN_BOUND. 
 
o Generalized this and this_program. 
  It is now possible to refer to inherits in objects. Example: 
    class A { 
      int a; 
      void foo() { werror("A\n"); } 
    } 
    class B { 
      inherit A; 
      int b; 
      void foo() { werror("B\n"); } 
      A::this_program get_a() { return A::this; } 
    } 
  In the above B()->get_a() will return an object with two symbols, 
  'a' and 'foo', but B()->get_a()->foo() will still write "B\n". 
 
o Added support for getters and setters. 
  It is now possible to simulate variables with functions. Example: 
    class A { 
      private int a; 
      int `->b() { return a; }          // Getter for the symbol b. 
      void `->b=(int c) { a = c; }      // Setter for the symbol b. 
      int c() 
      { 
        return b;                       // Calls `->b(). 
      } 
    } 
 
    object a = A(); 
    a->b = 17;                          // Calls `->b=(17). 
    werror("%d\n", a->b);               // Calls `->b(). 
 
o Unicode escapes. 
  Pike now understands the common way to escape unicode chars, using 
  \uxxxx and \Uxxxxxxxx escapes. These escapes works both in string 
  and character literals and in the preprocessor. The latter means 
  that unicode escapes can be used in identifiers, which is useful if 
  they contain characters that can't be represented raw in the source 
  code charset. 
 
o New (stricter) type checker for function calls. 
  The type checker for function calls is now based on the concept 
  of currification. This should provide for error messages that 
  are more easily understood. It also is much better att typechecking 
  function calls utilizing the splice (@) operator. 
  The mechanisms used by the typechecker are also made available as 
  Pike.get_first_arg_type(), Pike.low_check_call() and Pike.get_return_type(). 
 
o Added generic attributes for types. 
  Provides a method to hook into the type checker, so that it is 
  possible to make custom type checking. 
  No syntax yet. 
  Added such a type checker for sprintf(). 
 
o Stricter typing of strings. 
  The string type may now have an (optional) value range. Example: 
    string(0..255) bytes; 
 
o Stdio.* 
  Stdio.cp can now work recursively in a directory tree. 
  Stdio.cp now keeps permissions when copying. 
  Added Stdio.recursive_mv which works on every OS and also when the 
  destination isn't on the same filesystem as the source. 
 
o Prepared for having multiple different active backend implementations. 
  ... 
  The global variable next_timeout is no more. It has been replaced by 
  a backend-specific variable. Added backend_lower_timeout() for accessing 
  the new variable. This fixes issues GTK, GTK2 and sendfile had with the 
  new backend implementation. 
 
  NOTE! 
  NOTE! Changed the argument for backend callbacks! 
  NOTE! 
  NOTE! The argument is now a struct Backend_struct * when called at entry (was NULL). 
  NOTE! The argument is now NULL when called at exit (was 1). 
  NOTE! 
 
o bin/precompile.pike 
   Voidable pointer types are no longer promoted to mixed. 
 
o cpp 
  The preprocessor now supports macro expansion in the #include and #string 
  directives. 
 
o PIKE_PORTABLE_BYTECODE 
   --with-portable-bytecode is now the default. Pike programs that have 
   been dumped on one architecture now can be decoded on another. 
 
o Math.Matrix  
  Multiplication were bugged and gave B*A instead of A*B. Now fixed.  
 
o Destruct reason passed to lfun::destroy. 
  lfun::destroy now receives an integer flag that tells why the object 
  is being destructed, e.g. if it was an explicit call to destroy(), 
  running out of references, or reaped by the garbage collector. 
 
  These integers are defined in the new Object module as 
  DESCTRUCT_EXPLICIT, DESTRUCT_NO_REFS, DESTRUCT_GC and 
  DESTRUCT_CLEANUP. 
 
o Support for class symbols with storage in parent scope. 
  Also added support for aliased symbols. 
 
o Improved support for mixin. 
  The Pike compiler now supports mixin for symbols that have been 
  declared static. 
 
o Implicit and explicit create(). 
  The compiler now supports defining classes with both an implicit 
  and an explicit create(). 
 
o Warnings for unused private symbols. 
  The compiler now checks that all symbols that have been declared 
  private actually are used. 
 
o Unicode 
  Case information and the Unicode module are updated to Unicode 
  5.0.0. 
 
o protected 
  The modifier protected is now an alias for the modifier static. 
 
 
Extensions and New Functions 
 
o ADT.BitBuffer 
  
  Added read() method that reads whole bytes from the buffer and 
  returns as a string. 
 
o ADT.Queue 
 
  It is now possible to use sizeof() and value() on a Queue object. 
 
o ADT.Stack 
 
  Stack objects can now be cast to arrays. 
 
o ADT.Struct 
 
  - New Item class SByte, SWord and SLong represents a signed byte, 
    word and longword respectively. 
 
  - The Item classes int8, uint8, int16, uint16, int32, uint32, int64 
    and uint 64 are aliases for already existing Item classes. 
 
  - sizeof() now works for empty Struct objects. 
 
  - sizeof() can be used on individual Item objects. 
 
  - Struct objects can now be used as Items in other Structs. 
 
    FIXME: Example 
 
o Array 
 
  - New function combinations() returns all combinations of a 
    specified length with elements from a given array. 
 
  - Added push(), pop(), shift() and unshift() functions for Perl 
    weirdos. 
 
o Calendar 
 
  - Added new calendar Badi, used in the Baha'i religion. 
 
  - Fixed bugs in discordian, where the year() was off by 1166 and 
    now() was off 5 month per year. 
 
  - Time objects now handle * and / with floats. A split() method has 
    been added for more advanced splitting. FIXME: Example 
 
  - A new formatting method format_ext_time_short() has been added to 
    Time objects. 
 
  - Timezones are now read from /etc/localtime, if available. 
 
o Debug 
 
  The new function count_objects() will return the different kinds of 
  objects existing within the Pike process. Useful when trying to 
  pinpoint a leak of Pike objects. 
 
o Error 
 
  The new function mkerror() will normalize any thrown value into a 
  proper error object (or 0). 
 
o Filesystem 
 
  Traversion has been extended with two new create arguments. The 
  first one is a flag to supress errors and the other is a sorting 
  function which will be applied to the entries in every directory. 
  This callback can also be used to filter the directory entries. 
 
o Float 
 
  The function isnan() can be used to check if a float is Not a 
  Number. 
 
  > Float.isnan(Math.inf/Math.inf); 
  (1) Result: 1 
 
o Geography.Position 
 
  It is now possible to encode Position objects with encode_value(). 
 
o GLUE 
 
  - The default event callback will now exit both on Exit and Escape 
    events. 
 
  - The texture, list and light id generators will now be created 
    after we are sure that GL has been initialized, to prevent crashes 
    on several systems. 
 
  - BaseTexture and BaseDWIM now supports clamped textures. 
 
  - Several bug fixes. 
 
o Image.Dims 
 
  Support for parsing out the dimensions of TIFF files has been added. 
 
o Int 
 
  Int.inf is an object that can be used as an infinitly large integer. 
 
o Locale.Charset 
  FIXME: Rewrite 
  Remapped and documented the use of the private character space. 
  ISO-IR non-spacers are now converted into combiners. 
  Added some support for pluggable character sets. 
  Added GB18030/GBK 
  UTF-EBCDIC 
  unicode prefix, e.g. unicode-1-1-utf-7 
  CP949 
  GBK (cp936) 
  DIN-31624 (ISO-IR-38) 
  ISO-5426:1980 (ISO-IR-53) 
  ISO-6438:1996 (ISO-IR-39, ISO-IR-216) 
  ISO-6937:2001 (ISO-IR-156)   
 
o MIME 
 
  - Added remapping variants of the encode words functions with 
    encode_word_text_remapped(), encode_word_quoted(), 
    encode_words_quoted_remapped() and 
    encode_words_quoted_labled_remapped(). 
 
  - Added workaround for a bug in Microsoft Internet Explorer where it 
    forgets to properly quote backslashes in the Content-Disposition 
    field. 
 
  - Fixed a bug that could occur when casting MIME.Message objects to 
    strings. 
 
o Odbc 
  FIXME: Rewrite 
  Now supports UnixODBC properly. 
  Fixed various issues with Unicode. 
 
o Parser.Pike 
 
  Parsing of Pike has been rewritten in C for increased performance. 
  #string directives should be handled correctly now. 
 
o Parser.RCS 
  FIXME: Rewrite 
  Handle broken RCS files better. 
 
o Parser.XML.NSTree 
 
  - Added add_child_before() and add_child_after() methods to the 
    NSNode object. 
 
  - Fixed crash bug. 
 
o Parser.XML.Tree 
  FIXME: Rewrite 
  Added rendering of DTD ENTITY nodes. 
  The renderer now knows about the internal_subset attribute for the 
    DOCTYPE tag. 
  Added rendering of DTD ELEMENT nodes. 
  Added functions to inser new childe node. 
  Moved parser code into the nodes allowing for extendability. 
  set_tag_name() 
  simple-stuff 
  AbstractSimpleNode, VirtualNode, SimpleNode. 
  Node.zap_tree 
 
o Pike 
 
  - A new function get_runtime_info() has been added which returns 
    information about current ABI, if automatic bignums are enabled, 
    what bytecode method is used, the size of native floats and 
    integers and the native byte order. 
 
  - The constants INDEX_FROM_BEG, INDEX_FROM_END and OPEN_BOUND has 
    been added for use with the `[..] operator API. 
 
  - The functions low_check_call(), get_return_type() and 
    get_first_arg_type(). FIXME! 
 
o Process 
 
  - The new function spawn_pike() will spawn a Pike process similar to 
    the current one, using the same binary file, master and module 
    paths. 
 
  - The new function run() is an easy interface that will run a 
    process and return a mapping with all the outputs and exit code. 
 
 
  - Process.popen is now able to run in nonblocking mode. If a second 
    argument is provided a file object will be opened with that mode 
    and return, enabling two way communication with the new process. 
 
  - The system() function has been extended to be able to pass stdin, 
    stdout and stderr arguments to the spawn() call it performs. 
 
o Protocols.DNS 
 
  - Added support for NAPTR (RFC 3403) records. 
 
  - The gethostbyname() function now returns IPv6 addresses too, if 
    available. 
 
  - Fixed bugs in IPv6 record parsing. 
 
o Protocols.Bittorrent 
 
  - Support for gzipped and compact tracker responses. 
 
  - 30% faster hashing of files. 
 
  - Many performance and bug fixes. 
 
o Protocols.HTTP 
 
  - Added support for httpu and httpmu requests. 
 
  - Queries will now throw an exception in case of an errno condition. 
 
  - A new function, do_async_method(), has been added to allow access 
    to low level asynchronous HTTP calls. 
 
  - The http_encode_string() function now know how to encode UCS-2 
    characters. 
 
o Protocols.HTTP.Server 
 
  - If accept() fails on the open port, the Port object will continue 
    trying, to support servers with high load. 
 
o Protocols.HTTP.Query 
 
  - Added unicode_data() method that will return the payload decoded 
    according to the charset described in the Content-Type header. 
 
  - Many fixes for bugs in asynchronous mode. 
 
  - A query will not silently downgrade to http from https anymore if 
 
    there is no crypto support. 
 
  - Fixes for keep alive. 
 
o Protocols.LDAP 
 
  FIXME: Many changes 
 
o Protocols.SNMP 
 
  The readmsg() method in the protocol object now takes an optional 
  timout argument. 
 
o Protocols.XMLRPC 
 
  The new AsyncClient class implements an asynchronous XMLRPC client. 
 
o Sql 
 
  - Bugfixes in listing Postgres fields. 
 
  - If ENABLE_SPAWN_RSQLD is defined, rsqld will be spawned when 
    needed to complete rsql queries. 
 
  - Added streaming_query() method to Sql objects which enables larger 
    result sets than available memory. 
 
  - It is possible to iterate over the result object from big_query() 
    queries directly in foreach. 
 
  FIXME: mysql 
 
o SSL 
 
  FIXME: client certificates: examples? 
 
o Standards.IIM 
 
  Some bugfixes in parsing Photoshop headers and DOS EPS Binary 
  Headers. 
 
o Standards.ISO639_2 
 
  Updated with the latest ISO639-2 languages. 
 
o Standards.URI 
 
  - Updated to conform to RFC 3986. 
 
  - Added methods get_query_variables(), set_query_variables(), 
    add_query_variable() and add_query_variables() to give a better 
    API to to handle query variables. 
 
  - The new method get_http_query() returns the query part and 
    get_http_path_query() returns both the path and the query, both 
    coded according to RFC 1738. 
 
o Standards.UUID 
 
  - Added support for UUID version 5; name based with SHA hash, which 
    can be generated from the make_version5 function. 
 
  - An UUID object can now be used as namespace in the second argument 
    to make_version3 as well as the new make_version5. 
 
o Standards.XML.Wix 
 
  FIXME 
 
o Stdio 
 
  (module.pmod, Readline, Terminfo) FIXME 
 
o String 
 
  - The function int2size has been rewritten to fixpoint as well as 
    using the more common abbreviation of "B" for byte. 
 
o Tools 
 
  FIXME 
 
o Web.Crawler 
 
  - Bugfix to support robots.txt created on windows. 
 
  - User Agent change to "Mozilla 4.0 (PikeCrawler)" 
 
o Web.RDF 
 
  - Added add_statement() method which allows new relations to be 
    added to an RDF set. 
 
o sprintf 
  sprintf() now attempts to lookup the name of the program when 
  formatting types of objects and programs. 
   
 
 
New Modules 
 
o ADT.List 
 
o ADT.Trie 
 
o ADT.Set 
  ADT.Set implements a datatype for sets. These sets behave much 
  like multisets, except that they are restricted to containing only 
  one instance of each member value. 
 
  From a performance viewpoint, it is probably more efficient for a 
  Pike program to use mappings to serve as sets, rather than using an 
  ADT.Set,so ADT.Set is mainly provided for the sake of completeness 
  and code readability. 
 
o Arg 
 
o Protocols.DNS_SD 
  This module provides an interface to DNS Service Discovery. The 
  functionality of DNS-SD is described at <http://www.dns-sd.org/>. 
 
  Using the Proctocols.DNS_SD.Service class a Pike program can 
  announce services, for example a web site or a database server, to 
  computers on the local network. 
 
  When registering a service you need to provide the service name. 
  service type, domain and port number. You can also optionally 
  specify a TXT record. The contents of the TXT record varies between 
  different services; for example, a web server can announce a path 
  to a web page, and a printer spooler is able to list printer 
  features such as color support or two-sided printing. 
 
  The service is registered on the network for as long as the instance 
  of the Service class is valid. 
 
o Bittorrent.Tracker 
  Bittorrent tracker with support for scraping and UDP extension. 
 
o Protocols.HTTP.Server.Proxy 
  A simple HTTP proxy. 
 
o Standards.TLD 
  Country domains and other TLDs according to IANA. Useful when 
  parsing log information or providing live information about clients 
  connecting to your server. 
 
o Tools.Shoot 
  Several new tests have been added to benchmark and improve on 
  various aspects of Pike. ReplaceParallel and ReplaceSerial compares 
  the time it takes to replace multiple substrings of a string in a 
  single call to replace and with subsequent calls. 
 
  TagRemoveArraySscanf, TagRemoveDivide, TagRemoveLoop, 
  TagRemoveParserHTML, TagRemovePCRE, TagRemoveSearch and 
  TagRemoveSscanf compares different methods of completing the same 
  task, to remove XML tags from a string. 
 
o Web.CGI 
  Provides a CGI interface on the callee side. Retrieves information 
  from environment variables and populates the variables in the 
  Request object. 
 
New lib: 
Protocols.LDAP module.pmod 
Sql.Sql dsn 
        sqlite 
        sql_array_result 
        sql_object_result 
        tds 
-x test_pike 
 
New src: 
embed/libpike 
tmodule 
code/amd64 
Fuse 
Protocols.DNS_SD 
Charset gb18030 
        gbk 
Parser c.c / pike.c 
GTK2 
SQLite 
 
Incompatible changes 
 
  These incompatible changes can be solved by adding #pike 7.6 to your 
  source file or starting Pike with -V7.6. 
 
o Array.transpose_old 
  This function is removed. 
 
o _Charset 
  This internal module has had most of its content removed. 
 
o Crypto 
  The old crypto functions from Pike 7.4 has been removed. These 
  functions produced a warning when used in Pike 7.6. 
 
o Debug.describe_program 
  The API for this debug function has changed. 
 
o Image.Image 
  The functions select_colors(), map_closest(), map_fast() and 
  map_fs() has been removed. Use Image.Colortable operations instead. 
 
o Parser.XML 
  The XML parsers are now stricter in verifying the correctness 
  of the XML. The function compat_allow_errors can be called in the 
  create method of the Parser.XML.Simple and Parser.XML.Validating 
  (with "7.6" as argument for 7.6 compatibility). Parser.XML.Tree can 
  be created with PARSE_COMPAT_ALLOW_ERRORS_7_6 as flag. 
 
o Protocols.LDAP.client 
  The "dn" field wasn't properly utf-8 decoded in 7.6 and earlier. If 
  your application does it yourself, you need to use the compatibility 
  version of this class. 
 
o spider.XML 
  The spider module no longer contains the XML parser. The functions 
  isbasechar(), iscombiningchar(), isdigit(), isextender(), 
  isfirstnamechar(), ishexchar(), isidiographic(), isletter(), 
  isnamechar() and isspace() has also been moved to the Parser module. 
 
o Sql.Sql 
  Pike will no longer create a .column entry in SQL query responses if 
  there is no table name. 
 
o Standards.UUID 
  Functions new() and new_string() has been removed. Use 
  make_version1(-1)->encode() and make_version1(-1)->str() instead. 
 
o Stdio 
  The functions read_file(), read_bytes(), write_file() and 
  append_file() now always throw errors upon errors, to allow easier 
  use as errno doesn't have to be checked. read_file() and 
  read_bytes() still returns 0 if the file does not exists. 
 
o The modules Mird, Perl, Pipe and Ssleay have been removed. 
 
 
-------------------- NOTES------------ 
 
2004/04/26 00:13:30 
 
backport: 
 
Calendar.pmod/events/regional 
Calendar.pmod/TZnames.pmod 
Protocols.HTTP.Query 
 
update(?): 
 
Geography.pmod/Countries.pmod 
MIME.pmod/ext... 
Bittorrent.pmod/PeerID.pmod 
 
fixme: 
Process.locate_binary