Update docs + minor changes.

* .gitmodules: Add imprimatur.
* Makefile.am: Likewise.
* configure.ac: Likewise.
* doc/Makefile.am: Likewise.
* bootstrap.conf: Comment out make in doc/texinfo
* doc/texinfo/Makefile.am: Rewrite.
* doc/texinfo/fdl.texi: Minor change.
* doc/texinfo/getdate.texi: Minor change.
* doc/texinfo/mailutils.texi: begin rewrite.
* doc/texinfo/mu-mh.texi: Minor change.
* doc/texinfo/programs.texi: begin rewrite.
* doc/texinfo/sieve.texi: Minor change.
* doc/texinfo/usage.texi: Minor change.

* libmailutils/cfg/lexer.l: Allow for @ in unquoted strings
* pop3d/bulletin.c: Relax safety checks for bulletin.db
* pop3d/logindelay.c: Relax safety checks for stat.sb
* pop3d/pop3d.h (DEFAULT_GROUP_DB_SAFETY): New define.

 [submodule "gint"]
 	path = gint
 	url = git://git.gnu.org.ua/gint.git
+[submodule "doc/imprimatur"]
+	path = doc/imprimatur
+	url = git://git.gnu.org.ua/imprimatur.git

@@ -15,7 +15,7 @@
 ## You should have received a copy of the GNU General Public License
 ## along with GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>.
 
-ACLOCAL_AMFLAGS = -I m4 -I am -I gint
+ACLOCAL_AMFLAGS = -I m4 -I am -I gint -I doc/imprimatur
 
 if MU_COND_PYTHON
   PYTHON_DIR = python

@@ -100,5 +100,5 @@ done
 wget -P m4 http://git.savannah.gnu.org/cgit/radius.git/plain/scripts/radius.m4
 
 # Create included listings for texinfo docs.
-make -C doc/texinfo -f maint.mk
+#make -C doc/texinfo -f maint.mk
 

@@ -1316,23 +1316,7 @@ dnl get sysconfdir expanded.
 CPPFLAGS="$CPPFLAGS -DSYSCONFDIR=\\\"\$(sysconfdir)\\\""
 
 # Doc hints.
-# Select a rendition level:
-#  DISTRIB for stable releases (at most one dot in the version number)
-#  and maintenance releases (two dots, patchlevel < 50)
-#  PROOF for alpha releases.
-#  PUBLISH can only be required manually when running make in doc/
-AC_SUBST(RENDITION)
-case `echo $VERSION|sed  's/[[^.]]//g'` in
-""|".")  RENDITION=DISTRIB;;
-"..")  if test `echo $VERSION | sed  's/.*\.//'` -lt 50; then
-	 RENDITION=DISTRIB
-       else
-         AC_DEFINE_UNQUOTED([MU_ALPHA_RELEASE], 1,
-	                    [Define if this is an alpha release])
-         RENDITION=PROOF
-       fi;;
-*)     RENDITION=PROOF;;
-esac
+IMPRIMATUR_INIT([doc/imprimatur])
 
 AC_CONFIG_COMMANDS([status],[
 cat <<EOF

@@ -15,5 +15,5 @@
 ## You should have received a copy of the GNU General Public License
 ## along with GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>.
 
-SUBDIRS = texinfo man
+SUBDIRS = imprimatur texinfo man
 EXTRA_DIST = ChangeLog.CVS rfc/README

+Subproject commit f32ef1983968e755cd580b06e369476d7e7f88b6

@@ -19,6 +19,10 @@ mailutils.tmp
 mailutils.toc
 mailutils.tp
 mailutils.vr
+mailutils.fl
+mailutils.kw
+mailutils.pdf
+mailutils.pr
 mdate-sh
 muint.info*
 stamp-1

@@ -17,174 +17,53 @@
 
 info_TEXINFOS = mailutils.texi 
 
-INCFILES = \
- addr.inc\
- http.inc\
- mailcap.inc\
- numaddr.inc\
- sfrom.inc\
- url-parse.inc
-
-RENDITION_TEXI=rendition.texi macros.texi
-
 mailutils_TEXINFOS = \
- address.texi\
- attribute.texi\
- auth.texi\
- body.texi\
- c-api.texi\
- encoding.texi\
- envelope.texi\
  fdl.texi\
- folder.texi\
- framework.texi\
  getdate.texi\
- headers.texi\
- imap4.texi\
- iterator.texi\
- libmu_scm.texi\
- libmu_auth.texi\
- libmu_sieve.texi\
- locker.texi\
- mailbox.texi\
- mailcap.texi\
- maildir.texi\
- mailer.texi\
- mbox.texi\
- message.texi\
- mh.texi\
+ macros.texi\
  mu-mh.texi\
- mu_address.texi\
- mu_body.texi\
- mu_logger.texi\
- mu_mailbox.texi\
- mu_message.texi\
- mu_mime.texi\
- mu_scm.texi\
- nntp.texi\
- parse822.texi\
- pop3.texi\
  programs.texi\
- sendmail.texi\
  sieve.texi\
- smtp.texi\
- stream.texi\
  usage.texi\
- url.texi\
- $(RENDITION_TEXI)\
- $(INCFILES)
+ version.texi
 
-DISTCLEANFILES=*.pgs *.kys *.vrs
 clean-local:
 	rm -rf manual
 
-# The rendering level is one of PUBLISH, DISTRIB or PROOF.
-# Just call `make RENDITION=PROOF [target]' if you want PROOF rendition.
-
-MAKEINFOFLAGS=-D$(RENDITION)
-GENDOCS=gendocs.sh
-TEXI2DVI=texi2dvi -t '@set $(RENDITION)' -E
-
-# Make sure you set TEXINPUTS.
-# TEXINPUTS=/usr/share/texmf/pdftex/plain/misc/ is ok for most distributions
-
-TEXINPUTS=$(srcdir):$(top_srcdir)/build-aux:$$TEXINPUTS
-
-manual:
-	TEXINPUTS=$(srcdir):$(top_srcdir)/build-aux:$(TEXINPUTS) \
-	 MAKEINFO="$(MAKEINFO) $(MAKEINFOFLAGS)" \
-	 TEXI2DVI="$(TEXI2DVI) -t @finalout" \
-	$(GENDOCS) --texi2html $(PACKAGE) '$(PACKAGE_NAME) manual'
-
-
-EXTRA_DIST=gendocs_template mastermenu.el untabify.el
+AM_MAKEINFOFLAGS = @IMPRIMATUR_MAKEINFOFLAGS@
+# Imprimatur setup
+imprimatur_INPUT=$(info_TEXINFOS) $(mailutils_TEXINFOS)
+include ../imprimatur/imprimatur.mk
+#CHECK_DOCS=$(top_srcdir)/@IMPRIMATUR_MODULE_DIR@/check-docs.sh
 
-master-menu:
-	emacs -batch -l mastermenu.el -f make-master-menu $(info_TEXINFOS)
+# Checking
+all-check-docs: imprimatur-basic-checks
 
-untabify:
-	emacs -batch -l untabify.el $(info_TEXINFOS) $(mailutils_TEXINFOS)
-
-fix-sentence-spacing:
-	for file in $(info_TEXINFOS) $(mailutils_TEXINFOS); \
-	do \
-		if grep -q '\.  [@A-Z]' $$file; then \
-			mv $$file $${file}~; \
-			sed -r 's/\.  ([@A-Z])/. \1/g' $${file}~ > $$file; \
-		fi; \
-	done
-
-final: untabify fix-sentence-spacing master-menu
-
-
-# Checks
-check-tabs:
-	@if test -n "`cat $(info_TEXINFOS) $(mailutils_TEXINFOS) |\
-             tr -d -c '\t'`"; then \
-		echo >&2 "Sources contain tabs; run make untabify"; \
-		false; \
-	fi
-
-check-sentence-spacing:
-	@if grep -q '\.  [@A-Z]' $(info_TEXINFOS) $(mailutils_TEXINFOS); then \
-		echo >&2 "Sources contain double-space sentence separators"; \
-		echo >&2 "Run make fix-sentence-spacing to fix"; \
-	fi
+check-docs:
+	@$(MAKE) -k all-check-docs
 
-check-format: check-tabs check-sentence-spacing
+#
 
-check-refs:
-	@for file in $(info_TEXINFOS) $(mailutils_TEXINFOS); \
-	do \
-	  sed -e = $$file | \
-           sed -n 'N;/@FIXME-.*ref/{s/\(^[0-9][0-9]*\).*@FIXME-.*ref{\([^}]*\)}.*/'$$file':\1: \2/gp}'; \
-	done > $@-t; \
-	if [ -s $@-t ]; then \
-	  echo >&2 "Unresolved cross-references:"; \
-	  cat $@-t >&2;\
-	  rm $@-t; \
-	else \
-	  rm -f $@-t; \
-	fi
+master-menu: imprimatur-master-menu
+untabify: imprimatur-untabify
+final: imprimatur-final
 
-check-fixmes:
-	@for file in $(info_TEXINFOS) $(mailutils_TEXINFOS); \
-	do \
-	  sed -e = $$file | \
-           sed -n 'N;/@FIXME{/{s/\(^[0-9][0-9]*\).*@FIXME{\([^}]*\).*/'$$file':\1: \2/gp}'; \
-	done > $@-t; \
-	if [ -s $@-t ]; then \
-	  echo >&2 "Unresolved FIXMEs:"; \
-	  cat $@-t >&2; \
-	  rm $@-t; \
-	  false; \
-	else \
-          rm -f $@-t; \
-	fi
+# Web manual
+#EXTRA_DIST = \
+# gendocs_template
 
-check-writeme:
-	@grep -Hn @WRITEME $(info_TEXINFOS) $(mailutils_TEXINFOS) > $@-t; \
-	if [ -s $@-t ]; then \
-	  echo "Empty nodes:"; \
-	  cat $@-t; \
-	  rm $@-t; \
-	  false;\
-	else \
-          rm $@-t; \
-	fi
+GENDOCS=gendocs.sh
+TEXI2DVI=texi2dvi -t '@set $(RENDITION)' -E
 
-check-unrevised:
-	@grep -Hn @UNREVISED $(info_TEXINFOS) $(mailutils_TEXINFOS) > $@-t; \
-	if [ -s $@-t ]; then \
-	  echo >&2 "Unrevised nodes:"; \
-	  cat $@-t >&2; \
-	  rm $@-t; \
-	  false;\
-	else \
-          rm $@-t; \
-	fi
+.PHONY: manual
+manual:
+	TEXINPUTS=$(srcdir):$(top_srcdir)/build-aux:$(TEXINPUTS) \
+	 MAKEINFO="$(MAKEINFO) $(MAKEINFOFLAGS) $(AM_MAKEINFOFLAGS)" \
+	 TEXI2DVI="$(TEXI2DVI)" \
+         TEXI2HTML="texi2html $(AM_MAKEINFOFLAGS)" \
+	$(GENDOCS) --texi2html $(PACKAGE) '$(PACKAGE_NAME) manual'
 
-all-check-docs: check-format check-writeme check-unrevised check-refs check-fixmes 
+manual.tar.bz2: manual
+	tar cfj manual.tar.bz2 manual
 
-check-docs: 
-	$(MAKE) -k all-check-docs
+man-tar: manual.tar.bz2

-@setfilename fdl.info
-@node GNU FDL
-@appendix GNU Free Documentation License
 @cindex FDL, GNU Free Documentation License
 @center Version 1.2, November 2002
 

@@ -16,7 +16,7 @@ For the information about the current state of Mailutils MH
 implementation please refer to file @file{mh/TODO} in the Mailutils
 distribution directory.
 
-[FIXME]
+@FIXME{This is perhaps not so important now.}
 
 @menu
 * Diffs::      Major differences between Mailutils MH and other MH

@@ -3,8 +3,6 @@
 @c 2008, 2010, 2011 Free Software Foundation, Inc.
 @c See file mailutils.texi for copying conditions.
 @comment *******************************************************************
-@node Usage Vars
-@appendix Configuring Help Summary
 
 Running @command{@var{prog} --help} displays the short usage summary
 for @var{prog} utility (@pxref{Common Options}).  This summary is

@@ -100,7 +100,7 @@ P [1-9][0-9]*
 			yylval.string = _mu_line_finish ();
 			return MU_TOK_IDENT; }
          /* Strings */
-[a-zA-Z0-9_\./:\*=-]+ { _mu_line_begin ();
+[a-zA-Z0-9_\./:\*=@-]+ { _mu_line_begin ();
                         _mu_line_add (yytext, yyleng);
                         yylval.string = _mu_line_finish ();
                         return MU_TOK_STRING; }

@@ -133,6 +133,8 @@ read_bulletin_db (size_t *pnum)
       return rc;
     }
 
+  mu_dbm_safety_set_flags (db, DEFAULT_GROUP_DB_SAFETY);
+
   rc = mu_dbm_safety_check (db);
   if (rc)
     {
@@ -225,6 +227,8 @@ write_bulletin_db (size_t num)
       return rc;
     }
 
+  mu_dbm_safety_set_flags (db, DEFAULT_GROUP_DB_SAFETY);
+
   rc = mu_dbm_safety_check (db);
   if (rc && rc != ENOENT)
     {

@@ -32,8 +32,10 @@ open_stat_db (int mode)
       return NULL;
     }
 
+  mu_dbm_safety_set_flags (db, DEFAULT_GROUP_DB_SAFETY);
+  
   rc = mu_dbm_safety_check (db);
-  if (rc)
+  if (rc && rc != ENOENT)
     {
       mu_diag_output (MU_DIAG_ERROR,
 		      _("statistics db fails safety check: %s"),

@@ -201,6 +201,17 @@ extern char *apop_database_name;
 extern int apop_database_safety;
 extern int apop_database_safety_set;
 
+/* Safety checks for group-rw database files, such as stat and bulletin
+   databases */
+   
+#define DEFAULT_GROUP_DB_SAFETY					\
+  (MU_FILE_SAFETY_WORLD_WRITABLE|				\
+   MU_FILE_SAFETY_WORLD_READABLE|				\
+   MU_FILE_SAFETY_LINKED_WRDIR|					\
+   MU_FILE_SAFETY_DIR_IWGRP|					\
+   MU_FILE_SAFETY_DIR_IWOTH)
+
+
 extern pop3d_command_handler_t pop3d_find_command (const char *name);
 
 extern int pop3d_stat           (char *);