handling.

	transform invalid unicode codepoints.

	\0 checking.

The copying in question was needed.

This reverts commit 8154884d.

	* util/grub-reboot.in: Likewise.
	* util/grub-set-default.in: Likewise.

	* include/grub/misc.h: Remove strncat.
	* grub-core/lib/posix_wrap/string.h: Likewise.

	of first three years after start of validity of unixtime.

	division as the one making more sense.
	(update_screen): Likewise.
	(complete): Likewise.

	unsigned.
	(grub_history_replace): Likewise.

	appropriate.

	appropriate.

	Use unsigned divisions rather than signed variants.

	unsigned arithmetics.
	Add missing break.

	rather than signed one.
	(recovery): Likewise.

	than signed.

	than int.

 [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

	* include/grub/dl.h (GRUB_MOD_INIT), (GRUB_MOD_FINI): Define
	functions when compiling for kernel.

	unsigned long long when using %llu.

	terminal after updating progress.