* eval.c (stack_extend): streamlined rb_thread_restore_context()
	  to ensure O(1) time.  based on a patch by Brent Roman <brent AT
	  mbari.org>.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22544 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* eval.c (cc_mark): frees the continuation's stack if its thread
	  is dead to avoid recursive gc that segfaults.  [ruby-core:13889]
	  a patch by Brent Roman <brent AT mbari.org>.
	* eval.c (rb_cont_check): checks for valid continuation instance.
	* eval.c (rb_callcc): assigns th->thread before scope_dup() to
	  avoid segfaults if this scope_dup() triggers a gc pass.
	  a patch by Brent Roman <brent AT mbari.org>.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22540 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* numeric.c (ruby_float_step): extracted from num_step().
	* range.c (range_step): uses ruby_float_step() for float range.
	  [ruby-dev:37691]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22528 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* ext/extmk.rb (extmake): does not use both of makefile.rb and
	  extconf.rb at the same time.
	* lib/mkmf.rb (DLLIB): depends on Makefile.  [ruby-core:21096]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22484 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* eval.c (rb_thread_schedule): Don't change status of threads which
	  don't run next even if select notify readability/writability.
	  [ruby-core:20446]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* lib/optparse.rb (OptionParser::List#summarize): gives priority
	  to latter switches.  [ruby-dev:36692]
	* lib/optparse.rb (OptionParser#summarize): do not append
	  unnecessary line terminator.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22469 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* lib/cgi/session.rb: ignore session_id options fixed.[Bug #605]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	Merged 20854 from trunk.
	* lib/xmlrpc/server.rb:  Restricting method inspection to show only
	  non-inherited public methods.  [ruby-core:20603]
	* lib/xmlrpc/server.rb:  Fixing method inspection so it doesn't 
	  trigger XMLRPC::FaultException when used.  [ruby-core:20604]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22461 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* lib/sync.rb (Sync_m#sync_try_lock): wrong variable name fixed.
	  a patch from [ruby-core:20561]
	* lib/sync.rb (Sync_m::Err.Fail): turn off Thread.critical before
	  exit.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22457 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* pack.c (pack_pack): fixed odd act of 'm*', 'M*', and 'P*'.
	  just ignores '*' in these cases.
	  [ruby-dev:37289]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22450 b2dd03c8-39d4-4d8f-98ff-823fe69b080e