Copy stable/10@r272459 to releng/10.1 as part of
the 10.1-RELEASE process.

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

mdoc: minor Bl improvements.

Remove trailing whitespace per mdoc lint warning

Disussed with: gavin
No objection from: doc
Approved by: joel
MFC after: 3 days

Fix typos, spelling, formatting and mdoc mistakes found by Nobuyuki while
translating these manual pages. Minor corrections by me.

Submitted by: Nobuyuki Koganemaru <n-kogane@syd.odn.ne.jp>

Remove a redundant word.

Obtained from: elftoolchain
MFC after: 1 month

mdoc: fix parenthesis

Reviewed by: brueffer

mdoc: order prologue macros consistently by Dd/Dt/Os

Although groff_mdoc(7) gives another impression, this is the ordering
most widely used and also required by mdocml/mandoc.

Reviewed by: ru
Approved by: philip, ed (mentors)

Remove useless .TE groff macro.

Submitted by: Joerg Sonnenberger
MFC after: 3 days

Sections of type SHT_GNU_versym use ELF type ELF_T_HALF. Update manual
page and code to match.

Submitted by: jb
MFC After: 1 day

Refer the reader to the elf_update(3) manual page for more information
on application control of ELF object layout.

MFC after: 1 day

Document the ELF types supported by libelf.

Document the relationship between section types (SHT_*) and the
types known to the libelf.

Fix minor formatting issues:

- make document title match filename;
- remove hard sentence breaks, whitespace at EOL, and double whitespace;
- sort SEE ALSO xrefs, adding missing section numbers;
- fix a misspelled macro name.

MFP4: Add an implementation of the ELF(3) and GELF(3) API set.

Bump __FreeBSD_version.

Reviewed by: jb