Bugs Fixed in Release 3.4

• current_predicate/2 failed after loading QOF-file saved by save_predicates/2
• re-exported predicates could fail if the unknown flag was fail
• dynamic code generation bug for imported predicates in runtimes
• bug in finding the correct module of an already loaded QOF file
• user:message_hook/3 not obeyed on restore
• undefined profiler predicate
• qpc bugs: input file suffix, all_dynamic(true) in embedded loads, handling -N and -o flags
• runtimes did not accept (Module:Head :- Body) clauses
• arithmetic bugs
• retract/1 could leave a dangling pointer
• ensure_loaded/1 did not work on QOF-files saved by save_predicates/2
• advice checking and debugging did not work when invoking a saved state
• DCG expansion of {Goal} bug
• C calling Prolog error handling bug
• re-exportation and meta-predicate interaction bug
• save_modules/2 failed to save a dependency corresponding to :- use_module(file,[]).
• garbage collection bugs
• indexing bug upon loading QOF-files
• QP_seek() bug
• SIGPIPE signals cause abort instead of exit
• library bugs: strings:span_*/*, strings:midstring/*, strings:concat_atom/*, strings:concat_chars/*, directory:file_member_of_directory/2, heaps:get_from_heap/4, date:time_stamp/*
• proxl:current_window/1, proxl:current_display/1 could crash
• library(tcp) bugs: floating point byte swapping, tcp_shutdown(), non-lingering tcp_listen(), file name size limitation
• A large number of documentation bugs.

  Windows notes:

  • binary gets and puts broken
  • functor/3 bug
  • runtime statistics wrap-around bug
  • handling of asynchronous input, EOF and interrupts in windowed executables such as qpwin.exe