* doc/ref/libguile-smobs.texi: Remove; this tutorial is superseded by
libguile-foreign-objects.
* doc/ref/libguile-foreign-objects.texi: Proofreading.
* doc/ref/libguile-program.texi: Update Dia examples to refer to foreign
objects.
* doc/ref/libguile-concepts.texi (Garbage Collection): Update to
accurately describe the BDW-GC, and to avoid reference to mark
functions.
* doc/ref/guile.texi: Remove libguile-smobs, and reword API menu.
* doc/ref/api-utility.texi (Equality): Mention GOOPS instead of SMOBs.
* doc/ref/api-smobs.texi (Smobs): Describe as a legacy interface.
Exhort readers against the writing of mark functions.
* doc/ref/api-foreign-objects.texi (Foreign Objects): Proofreading.
* doc/ref/api-control.texi (Catch): Fix ref to point to foreign
objects.
* doc/ref/Makefile.am: Remove libguile-smobs.texi.
* libguile/finalizers.h:
* libguile/finalizers.c (run_finalizers_async_thunk): Call the new
scm_run_finalizers helper.
(scm_set_automatic_finalization_enabled, scm_run_finalizers): New
functions.
(scm_init_finalizers): Only set a finalizer notifier if automatic
finalization is enabled.
* doc/ref/libguile-smobs.texi (Garbage Collecting Smobs): Add discussion
of concurrency.
* doc/ref/api-smobs.texi (Smobs): Document new functions.
* doc/ref/api-smobs.texi (Smobs): Document scm_new_smob and
scm_new_double_smob instead of the SCM_NEWSMOB / SCM_RETURN_NEWSMOB
family of macros.
* doc/ref/libguile-smobs.texi (Creating Smob Instances): Use
scm_new_smob.
* doc/ref/api-memory.texi (Garbage Collection
Functions)[scm_gc_protect_object]: Explain that it's equivalent to
storing in a global variable.
* doc/ref/api-smobs.texi (Smobs)[scm_set_smob_free]: Expand on the
relationship with `scm_gc_malloc ()'.
[scm_set_smob_mark]: Explain that it's usually not needed.
* scheme-compound.texi: Renamed to api-compound.texi.
* scheme-control.texi: Renamed to api-control.texi.
* scheme-data.texi: Renamed to api-data.texi.
* scheme-debug.texi: Renamed to api-debug.texi.
* deprecated.texi: Renamed to api-deprecated.texi.
* scheme-evaluation.texi: Renamed to api-evaluation.texi.
* ref-init.texi: Renamed to api-init.texi.
* scheme-io.texi: Renamed to api-io.texi.
* scheme-memory.texi: Renamed to api-memory.texi.
* scheme-modules.texi: Renamed to api-modules.texi.
* scheme-options.texi: Renamed to api-options.texi.
* scm.texi: Renamed to api-overview.texi.
* scheme-procedures.texi: Renamed to api-procedures.texi.
* scheme-scheduling.texi: Renamed to api-scheduling.texi.
* scheme-scm.texi: Renamed to api-scm.texi.
* scheme-smobs.texi: Renamed to api-smobs.texi.
* scheme-snarf.texi: Renamed to api-snarf.texi.
* scheme-translation.texi: Renamed to api-translation.texi.
* scheme-utility.texi: Renamed to api-utility.texi.
* debugging.texi: Renamed to scheme-debugging.texi.
* scripts.texi: Renamed to scheme-scripts.texi.
* program.texi: Renamed to libguile-program.texi.
