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Seed7 Release 2013-04-01

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Hello,

I have released a new version of Seed7: seed7_05_20130401.tgz In the
Seed7 programming language new statements and operators can be
declared easily. Types are first class objects and therefore
templates/generics need no special syntax. Object orientation is used
when it brings advantages and not in places when other solutions are
more obvious.

Seed7 is covered by the GPL (and LGPL for the Seed7 runtime library).

Changelog:
- The FAQ explanations concerning, 'in' parameters and different
  behavior of val and ref parameters, have been improved.
- The keyboard read function getc(KEYBOARD) has been improved to
  support more function keys and to accept Unicode characters also
  under Windows.
- The program calc.sd7 has been improved to accept and display
  Unicode characters.
- The automatic memory management has been improved to work also
  for the files managed by pollData.
- The function openEditLineLatin1 has been added to editline.s7i.
  Only Latin-1 characters are accepted and written to ''outFile''.
  Unicode characters beyond ISO Latin-1 (ISO-8859-1) are ignored.
- In file.s7i the function writeln(file, string) has been defined as
  DYNAMIC (virtual) function. This allows that the implementation
  function writeln(socket, string) sends string and '\n' together.
- The definition of keys in keybd.s7i have been changed such that
  function keys are outside the range of Unicode characters.
- The new library keydescr.s7i, which defines a hash table with
  descriptive text for function keys, has been added.
- The implementation function writeln(null_file, string) has been
  added to null_file.s7i. This function is used by many derived
  types.
- An implementation function of writeln(socket, string) has been
  added to socket.s7i. This function sends string and '\n' together.
- Definitions of writeln (without string parameter) have been removed
  from external_file.s7i, socket.s7i and utf8.s7i.
- The example programs bas7.sd7, gkbd.sd7 and kbd.sd7 have been
  changed to use the hash keyDescription (defined in keydescr.s7i).
- Tests for string assignment and string append (operator &:= ) have
  been added to chkstr.sd7.
- The function bigStr in big_rtl.c has been improved to realloc the
  string to the correct size.
- The function determineEnvironDefines in chkccomp.c has been
  improved.
- The function itf_destr in itflib.c has been improved to cooperate
  with the function close_stack (defined in name.c).
- The function kbdKeyPressed in kbd_inf.c has been improved to never
  wait for input (calls of tcsetattr() were fixed, see below).
- In pol_unx.c and pol_sel.c the functions addCheck, removeCheck,
  polCpy, polCreate, polDestr and polClear have been improved to use
  the function pointers incrUsageCount and decrUsageCount from
  fileObjectOps.
- The function initPollOperations has been added to pol_unx.c,
  pol_sel.c and pol_dos.c.
- In str_rtl.c the functions strAppend and strCopy have been changed
  to use SLICE_OVERLAPPING instead of GET_SLICE_ORIGIN.
- In str_rtl.c the functions strHeadSlice, strRangeSlice,
  strSubstrSlice and strTailSlice have been improved to avoid
  (mis)using the string capacity. Now the capacity of a slice is set
  to zero. Before the origin of a slice was stored in the capacity.
- The function print_real_value in traceutl.c has been improved to
  print interface values with more detail.
- Support for additional function keys has been added to kbd_inf.c,
  kbd_poll.c, cap_def.h, trm_cap.c and trm_inf.c.
- The files kbd_inf.c and kbd_poll.c have been improved to use read()
  instead of fread().
- The files kbd_inf.c and kbd_poll.c have been improved to take a
  weakness of tcsetattr() into account. The function tcsetattr() may
  return success, although not all changes could be carried out.
  Now the calls of tcsetattr() are done via the new functions
  term_descr_equal, tcset_term_descr and tcset_vmin_vtime.
- The compiler has been improved to create and use cpy_... functions
  for the interface assignment (action ITF_CPY).
- The free list management for strings has been improved to allow
  different maximum list lengths for strings with different capacity.
- Definitions of databasetype and sqlstmttype have been added to
  common.h. This are the first steps towards database support.

Regards,
Thomas Mertes

--
Seed7 Homepage:  http://seed7.sourceforge.net
Seed7 - The extensible programming language: User defined statements
and operators, abstract data types, templates without special
syntax, OO with interfaces and multiple dispatch, statically typed,
interpreted or compiled, portable, runs under linux/unix/windows.

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Seed7 Release 2013-04-01 mertesthomas@gmail.com - 2013-04-01 08:43 -0700

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