* .gitignore: Update.
* Makefile.am: Add rules for creating and verifying docs.
* README: Update.
* emptynodes.awk: Ignore files containing `@c imprimatur-ignore'.
* imprimatur.m4 (IMPRIMATUR_INIT): Second argument is a list of
options.
* imprimatur.mk: Don't check files containing `@c imprimatur-ignore'.
Add sentence-spacing rules.
(imprimatur-basic-checks): Depend on imprimatur-check-sentence-spacing.
* imprimatur.texi: Update.
* rendition.texi: Mark with @c imprimatur-ignore.
(FIXME-ref, FIXME-xref, FIXME-pxref): In PUBLISH rendition expand
to the corresponding cross-reference command.
(example-UNREVISED,example-WRITEME)
(example-FIXME,example-FIXME-xref): Internal macros for use in
imprimatur.texi.
* fdl.texi: New file.