- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Properly handle '-h' argument.

PR: 176332
Reviewed by: scottl
MFC after: 3 days

- Use BN_set_negative() and BN_is_negative() instead of subtracting or
comparing to zero.
- Fix fractional number exponentiation, especially for negative exponents.

Obtained from: OpenBSD

Minor mdoc nits.

- Fix an erroneous invocation of the editline.
- Fix wrong scaling in the bc.library.
- Let length(0.000) conform to what gnu bc does.

PR: bin/159227
Submitted by: AIDA Shinra <shinra at j10n dot org>

Remove unneeded CFLAGS.

Such optimisations should not be performed in this Makefile. Also, uqs@
suggested they have no effect, because the checksum of the resulting
binary is unchanged.

Discussed with: gabor, uqs

Add missing static keywords to dc(1)

Move most of the remaining USD/PSD/SMM papers into share/doc

- Axe out signal handling code, the shell will take care of this

Suggested by: jilles
Approved by: delphij (mentor)

- Fix style(9)

Submitted by: ed
Approved by: delphij (mentor)

- Fix signal handling in bc/dc. Now Ctrl-C terminates the execution.

Requested by: gk (via private mail)
Approved by: delphij (mentor)

- Fig segmentation fault

Submitted by: Hizel Ildar <hizel@vyborg.ru> (via current@)

- style(9)

Approved by: delphij (mentor)

- Remove dead variable assignments
- Fix -x

Submitted by: uqs
Approved by: delphij (mentor)

- style.Makefile(5)

Submitted by: uqs
Approved by: delphij (mentor)

- Collapase short and long options together;
- Use consistent marking up with bc(1)'s reference section.

Reviewed by: gabor

Move USD documents from /usr/share/doc/papers to to /usr/share/doc/usd.

Reviewed by: gabor

Makefile cleanups:

o Enable building of USD
o Remove commented out targets
o Remove WARNS?=6 lines since it's the default

Reviewed by: gabor

Replace GNU bc/dc with BSDL versions ported from OpenBSD. They have a good
compatibility level with the GNU counterparts and have shown to be mature
enough. For now, the GNU versions aren't removed from the tree, just detached
from the build.

Sponsored by: Google Summer of Code 2008
Portbuild run by: erwin
Approved by: delphij