(ENTER_APPLY): Remove optional use of a continuation when making
trap call.
(scm_debug_opts): Change doc for 'cheap option to make clear that
it is now obsolete.
(CEVAL, SCM_APPLY): Remove optional use of a continuation when
making trap calls, and implement substitution of eval expressions
and return values using the values that the trap call handlers
return.
* debug.h (SCM_CHEAPTRAPS_P): Removed.
(Network Socket Address): New section, move sockaddr bits to here, add
new make-socket-address.
(Network Sockets and Communication): In connect, bind, and sendto, now
take socket address object. In bind, leave INADDR constants for
"Network Address Conversion" node. In those plus accept, getsockname,
getpeername, reword a bit for clarity.
* socket.c (scm_fill_sockaddr): No need to check NULL from scm_malloc.
(scm_connect, scm_bind, scm_sendto): Accept sockaddr object.
(scm_addr_vector): Renamed to _scm_from_sockaddr, update usages.
(scm_from_sockaddr, scm_to_sockaddr, scm_make_socket_address,
scm_c_make_socket_address): New functions.
(SCM_I_PTHREAD_RECURSIVE_MUTEX_INITIALIZER): Removed.
(scm_i_pthread_mutexattr_recursive): New.
* threads.c (scm_i_pthread_mutexattr_recursive): Declare.
(scm_i_critical_section_mutex): Do not initialize statically.
(scm_threads_prehistory): Initialize
scm_i_pthread_mutexattr_recursive and scm_i_critical_section_mutex
here.
* eval.c (source_mutex): Do not initialiaze statically.
(scm_init_eval): Do it here, using
scm_i_pthread_mutexattr_recursive.
limited use of source properties.
* api-debug.texi (Source Properties): Documentation of source
property procedures moved here from ...
* api-procedures.texi (Procedure Properties): ... where it didn't
belong.
New.
(sym_reader): New.
(scm_print_opts): Added "quote-keywordish-symbols" option.
(quote_keywordish_symbol): New, for evaluating the option.
(scm_print_symbol_name): Use it.
(scm_init_print): Initialize new option to sym_reader.
lset-diff+intersection, lset-diff+intersection, lset-intersection):
Exercise equality procedure arg order (already correct in these procs,
but had been wrong in other lset ones).
