[v0] Accepted with modifications by phcoder@
[v1] Introduce subsections within Security
[v1] Correct errors regarding public key files not being automatically signature-checked in trust and verify_detached
[v1] Replace check_signatures=enforce with check_signatures set to enforce
[v1] Move detailed discussion of using signatures out of check_signatures environment variable description
[v1] Use long form for option flags to security-relevant commands
[v2] Explain the key fingerprint format for distrust and list_trusted.
[v2] Eliminates references to grub-mkimage and UEFI Secure Boot.
[v3] Updates in response to addition of --skip-sig to trust and verify_detached
[ ] Restore @xref for cross-references at the start of sentences
theme background image handling. desktop-image-scale-method,
desktop-image-h-align, desktop-image-v-align.
* grub-core/gfxmenu/view.c: Likewise.
* include/gfxmenu_view.h: Likewise.
* include/bitmap_scale.h: Proportional scale functions introduced.
* grub-core/video/bitmap_scale.c: Likewise. Verification checks are
put in a separate functions. GRUB_ERR_BUG is set for grub_error in
cases of unexpected input variables for scale functions.
* docs/grub.texi: Updated documentation for new options.
terminal-left: terminal window's left position
terminal-top: terminal window's top position
terminal-width: terminal window's width
terminal-height: terminal window's height
* grub-core/gfxmenu/theme-loader.c: Likewise.
* include/grub/gfxmenu_view.h: Likewise.
* po/exlude.pot: Likewise.
* grub-core/gfxmenu/view.c: Likewise.
Also updated minimal window size.
Also terminal_sanity_check function has been introduced.
off new function grub_script_execute_new_scope. Change callers to use
either of them as appropriate.
* grub-core/commands/eval.c: New command eval.
* docs/grub.texi (Commands): Document it.
Fixes Ubuntu bug #1082045.
* docs/grub.texi (Images): Refer generally to grub-install rather
than directly to grub-setup.
(Installing GRUB using grub-install): Remove direct reference to
grub-setup.
(Device map) Likewise.
(Invoking grub-install): Likewise.
* docs/man/grub-install.h2m (SEE ALSO): Likewise.
* docs/man/grub-mkimage.h2m (SEE ALSO): Likewise.
* util/grub-install.in (usage): Likewise.
* util/bash-completion.d/grub-completion.bash.in (_grub_setup):
Apply to grub-bios-setup and grub-sparc64-setup rather than to
grub-setup.
* configure.ac: Remove grub_setup output variable.
* docs/man/grub-bios-setup.h2m (NAME): Change name from grub-setup
to grub-bios-setup.
* docs/man/grub-sparc64-setup.h2m (NAME): Change name from
grub-setup to grub-sparc64-setup.
BVK Chaitanya