diff --git a/Makefile b/Makefile
index f89ac1e7..3712511c 100644
--- a/Makefile
+++ b/Makefile
@@ -81,7 +81,7 @@ version:
 	}
 
 # Manpages #3: generic part
-man: version $(MANTYPES) $(DOCSREF)
+man: version configskel $(MANTYPES) $(DOCSREF) $(DOCSTYPESREF)
 	$(SPHINXM)
 
 html: version configskel $(MANTYPES) $(DOCSREF) $(DOCSTYPESREF)
@@ -104,7 +104,7 @@ DOTMANTYPES=$(subst /man.rst,.rst,$(DOTMANTYPEPREFIX))
 $(DOTMAN7DSTDIR)/cdist-type%.rst: $(DOTTYPEDIR)/%/man.rst
 	ln -sf "$^" $@
 
-dotman: version $(DOTMANTYPES)
+dotman: version configskel $(DOTMANTYPES) $(DOCSREF) $(DOCSTYPESREF)
 	$(SPHINXM)
 
 ################################################################################
diff --git a/cdist/conf/explorer/os b/cdist/conf/explorer/os
index 2d2aede6..46d87f3e 100755
--- a/cdist/conf/explorer/os
+++ b/cdist/conf/explorer/os
@@ -144,7 +144,9 @@ esac
 
 if [ -f /etc/os-release ]; then
    # after sles15, suse don't provide an /etc/SuSE-release anymore, but there is almost no difference between sles and opensuse leap, so call it suse
-   if grep -q ^ID_LIKE=\"suse\" /etc/os-release 2>/dev/null; then
+   # shellcheck disable=SC1091
+   if (. /etc/os-release && echo "${ID_LIKE}" | grep -q '\(^\|\ \)suse\($\|\ \)')
+   then
       echo suse
       exit 0
    fi
diff --git a/cdist/conf/explorer/os_version b/cdist/conf/explorer/os_version
index 1d54ea60..a7b1d3bc 100755
--- a/cdist/conf/explorer/os_version
+++ b/cdist/conf/explorer/os_version
@@ -31,7 +31,32 @@ case "$("$__explorer/os")" in
       cat /etc/arch-release
    ;;
    debian)
-      cat /etc/debian_version
+      debian_version=$(cat /etc/debian_version)
+      case $debian_version
+      in
+          testing/unstable)
+              # previous to Debian 4.0 testing/unstable was used
+              # cf. https://metadata.ftp-master.debian.org/changelogs/main/b/base-files/base-files_11_changelog
+              echo 3.99
+              ;;
+          */sid)
+              # sid versions don't have a number, so we decode by codename:
+              case $(expr "$debian_version" : '\([a-z]\{1,\}\)/')
+              in
+                  bullseye) echo 10.99 ;;
+                  buster) echo 9.99 ;;
+                  stretch) echo 8.99 ;;
+                  jessie) echo 7.99 ;;
+                  wheezy) echo 6.99 ;;
+                  squeeze) echo 5.99 ;;
+                  lenny) echo 4.99 ;;
+                  *) exit 1
+              esac
+              ;;
+          *)
+              echo "$debian_version"
+              ;;
+      esac
    ;;
    devuan)
       cat /etc/devuan_version
@@ -73,4 +98,4 @@ case "$("$__explorer/os")" in
    alpine)
        cat /etc/alpine-release
    ;;
-esac
\ No newline at end of file
+esac
diff --git a/cdist/conf/type/__download/man.rst b/cdist/conf/type/__download/man.rst
index 6ec0b19a..eb3ac971 100644
--- a/cdist/conf/type/__download/man.rst
+++ b/cdist/conf/type/__download/man.rst
@@ -30,9 +30,6 @@ sum
    By default output of ``cksum`` without filename is expected.
    Other hash formats supported with prefixes: ``md5:``, ``sha1:`` and ``sha256:``.
 
-onchange
-   Execute this command after download.
-
 
 OPTIONAL PARAMETERS
 -------------------
@@ -54,6 +51,9 @@ cmd-sum
    format specification ``%s`` which will become destination.
    For example: ``md5sum '%s' | awk '{print $1}'``.
 
+onchange
+   Execute this command after download.
+
 
 EXAMPLES
 --------
diff --git a/cdist/conf/type/__filesystem/explorer/lsblk b/cdist/conf/type/__filesystem/explorer/lsblk
index 9ae544ac..9be3c575 100644
--- a/cdist/conf/type/__filesystem/explorer/lsblk
+++ b/cdist/conf/type/__filesystem/explorer/lsblk
@@ -18,16 +18,16 @@
 # along with cdist. If not, see <http://www.gnu.org/licenses/>.
 #
 
-os=$("$__explorer/os")
+os=$("${__explorer:?}/os")
 
-if [ -f "$__object/parameter/device" ]; then
+if [ -f "${__object:?}/parameter/device" ]; then
     blkdev="$(cat "$__object/parameter/device")"
 else
-    blkdev="$__object_id"
+    blkdev="${__object_id:?}"
 fi
 
 case "$os" in
-    centos|fedora|redhat|suse|gentoo)
+    alpine|centos|fedora|redhat|suse|gentoo)
         if [ ! -x "$(command -v lsblk)" ]; then
             echo "lsblk is required for __filesystem type" >&2
             exit 1
diff --git a/cdist/conf/type/__locale_system/manifest b/cdist/conf/type/__locale_system/manifest
index e4286ef6..4b996ebc 100755
--- a/cdist/conf/type/__locale_system/manifest
+++ b/cdist/conf/type/__locale_system/manifest
@@ -24,6 +24,22 @@
 # Configure system-wide locale by modifying i18n file.
 #
 
+version_ge() {
+    awk -F '[^0-9.]' -v target="${1:?}" '
+    function max(x, y) { return x > y ? x : y }
+    BEGIN {
+        getline
+        nx = split($1, x, ".")
+        ny = split(target, y, ".")
+        for (i = 1; i <= max(nx, ny); ++i) {
+            diff = int(x[i]) - int(y[i])
+            if (diff == 0) continue
+            exit (diff < 0)
+        }
+    }'
+}
+
+
 key=$__object_id
 onchange_cmd=  # none, by default
 quote_value=false
@@ -40,8 +56,7 @@ os=$(cat "$__global/explorer/os")
 case $os
 in
     debian)
-        os_version=$(cat "${__global}/explorer/os_version")
-        if expr "${os_version}" '>=' 4 >/dev/null
+        if version_ge 4 <"${__global}/explorer/os_version"
         then
             # Debian 4 (etch) and later
             locale_conf="/etc/default/locale"
@@ -53,8 +68,7 @@ in
         locale_conf="/etc/default/locale"
         ;;
     ubuntu)
-        os_version=$(cat "${__global}/explorer/os_version")
-        if expr "${os_version}" '>=' 6.10 >/dev/null
+        if version_ge 6.10 <"${__global}/explorer/os_version"
         then
             # Ubuntu 6.10 (edgy) and later
             locale_conf="/etc/default/locale"
@@ -68,7 +82,7 @@ in
     centos|redhat|scientific)
         # shellcheck source=/dev/null
         version_id=$(. "${__global}/explorer/os_release" && echo "${VERSION_ID:-0}")
-        if expr "${version_id}" '>=' 7 >/dev/null
+        if echo "${version_id}" | version_ge 7
         then
             locale_conf="/etc/locale.conf"
         else
@@ -78,7 +92,7 @@ in
     fedora)
         # shellcheck source=/dev/null
         version_id=$(. "${__global}/explorer/os_release" && echo "${VERSION_ID:-0}")
-        if expr "${version_id}" '>=' 18 >/dev/null
+        if echo "${version_id}" | version_ge 18
         then
             locale_conf="/etc/locale.conf"
             quote_value=false
@@ -113,7 +127,7 @@ in
         locale_conf="/etc/default/init"
         locale_conf_group="sys"
 
-        if expr "$(cat "${__global}/explorer/os_version")" '>=' 5.11 >/dev/null
+        if version_ge 5.11 <"${__global}/explorer/os_version"
         then
             # mode on Oracle Solaris 11 is actually 0444,
             # but the write bit makes sense, IMO
@@ -149,7 +163,13 @@ in
         key="export ${__object_id}"
         ;;
     suse)
-        os_version=$(cat "${__global}/explorer/os_version")
+        if test -s "${__global}/explorer/os_release"
+        then
+            # shellcheck source=/dev/null
+            os_version=$(. "${__global}/explorer/os_release" && echo "${VERSION}")
+        else
+            os_version=$(sed -n 's/^VERSION\ *=\ *//p' "${__global}/explorer/os_version")
+        fi
         os_major=$(expr "${os_version}" : '\([0-9]\{1,\}\)')
 
         # https://documentation.suse.com/sles/15-SP2/html/SLES-all/cha-suse.html#sec-suse-l10n
diff --git a/cdist/conf/type/__openldap_server/man.rst b/cdist/conf/type/__openldap_server/man.rst
index a96c7dad..fa714ec0 100644
--- a/cdist/conf/type/__openldap_server/man.rst
+++ b/cdist/conf/type/__openldap_server/man.rst
@@ -31,8 +31,8 @@ manager-password-hash
     Generate e.g. with: `slappasswd -s weneedgoodsecurity`.
     See `slappasswd(8C)`, `slapd.conf(5)`.
     TODO: implement this: http://blog.adamsbros.org/2015/06/09/openldap-ssha-salted-hashes-by-hand/
-      to derive from the manager-password parameter and ensure idempotency (care with salts).
-      At that point, manager-password-hash should be deprecated and ignored.
+    to derive from the manager-password parameter and ensure idempotency (care with salts).
+    At that point, manager-password-hash should be deprecated and ignored.
 
 serverid
     The server for the directory.
diff --git a/cdist/conf/type/__systemd_service/man.rst b/cdist/conf/type/__systemd_service/man.rst
index 7eca398b..cd14c985 100644
--- a/cdist/conf/type/__systemd_service/man.rst
+++ b/cdist/conf/type/__systemd_service/man.rst
@@ -1,9 +1,10 @@
-cdist-type__systemd-service(7)
+cdist-type__systemd_service(7)
 ==============================
 
 NAME
 ----
-cdist-type__systemd-service - Controls a systemd service state
+cdist-type__systemd_service - Controls a systemd service state
+
 
 DESCRIPTION
 -----------
@@ -14,11 +15,12 @@ service after configuration applied or shutdown one service.
 The activation or deactivation is out of scope. Look for the
 :strong:`cdist-type__systemd_util`\ (7) type instead.
 
+
 REQUIRED PARAMETERS
 -------------------
-
 None.
 
+
 OPTIONAL PARAMETERS
 -------------------
 
@@ -31,12 +33,12 @@ state
     running
         Service should run (default)
 
-    stoppend
-        Service should stopped
+    stopped
+        Service should be stopped
 
 action
     Executes an action on on the service. It will only execute it if the
-    service keeps the state **running**. There are following actions, where:
+    service keeps the state ``running``. There are following actions, where:
 
     reload
         Reloads the service
@@ -48,11 +50,12 @@ BOOLEAN PARAMETERS
 ------------------
 
 if-required
-    Only execute the action if minimum one required type outputs a message to
-    **$__messages_out**. Through this, the action should only executed if a
+    Only execute the action if at minimum one required type outputs a message
+    to ``$__messages_out``. Through this, the action should only executed if a
     dependency did something. The action will not executed if no dependencies
     given.
 
+
 MESSAGES
 --------
 
@@ -68,12 +71,14 @@ restart
 reload
     Reloaded the service
 
+
 ABORTS
 ------
 Aborts in following cases:
 
 systemd or the service does not exist
 
+
 EXAMPLES
 --------
 .. code-block:: sh
@@ -95,13 +100,15 @@ EXAMPLES
 
     # reload the service for a modified configuration file
     # only reloads the service if the file really changed
-    require="__config_file/etc/foo.conf" __systemd_service foo \
+    require="__file/etc/foo.conf" __systemd_service foo \
         --action reload --if-required
 
+
 AUTHORS
 -------
 Matthias Stecher <matthiasstecher at gmx.de>
 
+
 COPYRIGHT
 ---------
 Copyright \(C) 2020 Matthias Stecher. You can redistribute it
diff --git a/cdist/conf/type/__timezone/gencode-remote b/cdist/conf/type/__timezone/gencode-remote
index 5299f548..b685c990 100755
--- a/cdist/conf/type/__timezone/gencode-remote
+++ b/cdist/conf/type/__timezone/gencode-remote
@@ -22,7 +22,7 @@
 # This type allows to configure the desired localtime timezone.
 
 timezone_is=$(cat "$__object/explorer/timezone_is")
-timezone_should="$__object_id"
+timezone_should=$(cat "$__object/parameter/tz")
 os=$(cat "$__global/explorer/os")
 
 if [ "$timezone_is" = "$timezone_should" ]; then
diff --git a/cdist/conf/type/__timezone/man.rst b/cdist/conf/type/__timezone/man.rst
index 8a945c16..6012c552 100644
--- a/cdist/conf/type/__timezone/man.rst
+++ b/cdist/conf/type/__timezone/man.rst
@@ -14,7 +14,8 @@ This type creates a symlink (/etc/localtime) to the selected timezone
 
 REQUIRED PARAMETERS
 -------------------
-None.
+tz
+    The name of timezone to set.
 
 
 OPTIONAL PARAMETERS
@@ -27,19 +28,24 @@ EXAMPLES
 
 .. code-block:: sh
 
-    #Set up Europe/Andorra as our timezone.
-    __timezone Europe/Andorra
+    # Set up Europe/Andorra as our timezone.
+    __timezone --tz Europe/Andorra
 
-    #Set up US/Central as our timezone.
-    __timezone US/Central
+    # Set up US/Central as our timezone.
+    __timezone --tz US/Central
 
 
 AUTHORS
 -------
-Ramon Salvadó <rsalvado--@--gnuine--dot--com>
+| Steven Armstrong <steven-cdist--@--armstrong.cc>
+| Nico Schottelius <nico-cdist--@--schottelius.org>
+| Ramon Salvadó <rsalvado--@--gnuine--dot--com>
+| Dennis Camera <dennis.camera--@--ssrq-sds-fds.ch>
 
 
 COPYING
 -------
-Free use of this software is
-granted under the terms of the GNU General Public License version 3 (GPLv3).
+Copyright \(C) 2012-2020 the `AUTHORS`_. You can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
diff --git a/cdist/conf/type/__timezone/manifest b/cdist/conf/type/__timezone/manifest
index 3d28ccba..0eb7fb9c 100755
--- a/cdist/conf/type/__timezone/manifest
+++ b/cdist/conf/type/__timezone/manifest
@@ -22,7 +22,7 @@
 #
 # This type allows to configure the desired localtime timezone.
 
-timezone="$__object_id"
+timezone=$(cat "$__object/parameter/tz")
 os=$(cat "$__global/explorer/os")
 
 case "$os" in
diff --git a/cdist/conf/type/__timezone/parameter/required b/cdist/conf/type/__timezone/parameter/required
new file mode 100644
index 00000000..975445e4
--- /dev/null
+++ b/cdist/conf/type/__timezone/parameter/required
@@ -0,0 +1 @@
+tz
diff --git a/cdist/conf/type/__timezone/singleton b/cdist/conf/type/__timezone/singleton
new file mode 100644
index 00000000..e69de29b
diff --git a/cdist/conf/type/__unpack/gencode-remote b/cdist/conf/type/__unpack/gencode-remote
index 45c7173a..c4451f73 100755
--- a/cdist/conf/type/__unpack/gencode-remote
+++ b/cdist/conf/type/__unpack/gencode-remote
@@ -23,6 +23,13 @@ case "$src" in
 
             cmd="$cmd --strip-components=$tar_strip"
         fi
+
+        if [ -f "$__object/parameter/tar-extra-args" ]
+        then
+            tar_extra_args="$( cat "$__object/parameter/tar-extra-args" )"
+
+            cmd="$cmd $tar_extra_args"
+        fi
     ;;
     *.7z)
         case "$os" in
@@ -73,3 +80,8 @@ if [ ! -f "$__object/parameter/preserve-archive" ]
 then
     echo "rm -f '$src'"
 fi
+
+if [ -f "$__object/parameter/onchange" ]
+then
+    cat "$__object/parameter/onchange"
+fi
diff --git a/cdist/conf/type/__unpack/man.rst b/cdist/conf/type/__unpack/man.rst
index 8fe96e43..daa03814 100644
--- a/cdist/conf/type/__unpack/man.rst
+++ b/cdist/conf/type/__unpack/man.rst
@@ -33,6 +33,10 @@ sum-file
 tar-strip
     Tarball specific. See ``man tar`` for ``--strip-components``.
 
+tar-extra-args
+    Tarball sepcific. Append additional arguments to ``tar`` command.
+    See ``man tar`` for possible arguments.
+
 
 OPTIONAL BOOLEAN PARAMETERS
 ---------------------------
@@ -46,6 +50,9 @@ backup-destination
 preserve-archive
     Don't delete archive after unpacking.
 
+onchange
+    Execute this command after unpack.
+
 
 EXAMPLES
 --------
@@ -65,6 +72,13 @@ EXAMPLES
             --preserve-archive \
             --destination /opt/cpma/server
 
+    # example usecase for --tar-* args
+    __unpack /root/strelaysrv.tar.gz \
+        --preserve-archive \
+        --destination /usr/local/bin \
+        --tar-strip 1 \
+        --tar-extra-args '--wildcards "*/strelaysrv"'
+
 
 AUTHORS
 -------
diff --git a/cdist/conf/type/__unpack/parameter/optional b/cdist/conf/type/__unpack/parameter/optional
index d136dd0c..d846ac75 100644
--- a/cdist/conf/type/__unpack/parameter/optional
+++ b/cdist/conf/type/__unpack/parameter/optional
@@ -1,2 +1,4 @@
 sum-file
 tar-strip
+tar-extra-args
+onchange
diff --git a/cdist/emulator.py b/cdist/emulator.py
index 6b461f0b..cf934281 100644
--- a/cdist/emulator.py
+++ b/cdist/emulator.py
@@ -25,6 +25,7 @@ import argparse
 import logging
 import os
 import sys
+import re
 
 import cdist
 from cdist import core
@@ -412,12 +413,15 @@ class Emulator:
         if "require" in self.env:
             requirements = self.env['require']
             self.log.debug("reqs = " + requirements)
-            for requirement in requirements.split(" "):
+            for requirement in self._parse_require(requirements):
                 # Ignore empty fields - probably the only field anyway
                 if len(requirement) == 0:
                     continue
                 self.record_requirement(requirement)
 
+    def _parse_require(self, require):
+        return re.split(r'[ \t\n]+', require)
+
     def record_auto_requirements(self):
         """An object shall automatically depend on all objects that it
            defined in it's type manifest.
diff --git a/cdist/test/emulator/__init__.py b/cdist/test/emulator/__init__.py
index e375676c..befd7b57 100644
--- a/cdist/test/emulator/__init__.py
+++ b/cdist/test/emulator/__init__.py
@@ -685,6 +685,16 @@ class EmulatorAlreadyExistingRequirementsWarnTestCase(test.CdistTestCase):
         self.env['require'] = '__directory/spam'
         emu = emulator.Emulator(argv, env=self.env)
 
+    def test_parse_require(self):
+        require = " \t \n  \t\t\n\t\na\tb\nc d \te\t\nf\ng\t "
+        expected = ['', 'a', 'b', 'c', 'd', 'e', 'f', 'g', '', ]
+
+        argv = ['__directory', 'spam']
+        emu = emulator.Emulator(argv, env=self.env)
+        requirements = emu._parse_require(require)
+
+        self.assertEqual(expected, requirements)
+
 
 if __name__ == '__main__':
     import unittest
diff --git a/docs/changelog b/docs/changelog
index 088c89df..e50db2a3 100644
--- a/docs/changelog
+++ b/docs/changelog
@@ -5,6 +5,19 @@ next:
 	* Core: Add trigger functionality (Nico Schottelius, Darko Poljak)
 	* Core: Implement core support for python types (Darko Poljak)
 
+6.8.0: 2020-09-11
+	* Type __locale_system: Fix for debian and ubuntu (Ander Punnar)
+	* Type __unpack: Add --tar-extra-args parameter (Ander Punnar)
+	* Explorer os: Fix OS detection for openSUSE (Dennis Camera)
+	* Type __filesystem: Support Alpine Linux (Joachim Desroches)
+	* Type __locale_system: Fix version comparison (Dennis Camera)
+	* Type __unpack: Add --onchange parameter (Ander Punnar)
+	* Type __download: Fix manual (Ander Punnar)
+	* Explorer os_version: Convert Debian sid to version number (Dennis Camera)
+	* Core: Expand require delimiter characters, split by consecutive delimiters (Darko Poljak)
+	* Type __timezone: Make singleton (Dennis Camera)
+	* Type __systemd_service: Fix manpage typos (Matthias Stecher)
+
 6.7.0: 2020-07-28
 	* Delete deprecated type: __pf_apply (Darko Poljak)
 	* New type: __download (Ander Punnar)
diff --git a/docs/src/cdist-manifest.rst b/docs/src/cdist-manifest.rst
index 5dbca479..2e49a721 100644
--- a/docs/src/cdist-manifest.rst
+++ b/docs/src/cdist-manifest.rst
@@ -95,7 +95,8 @@ Dependencies
 ------------
 If you want to describe that something requires something else, just
 setup the variable "require" to contain the requirements. Multiple
-requirements can be added white space separated.
+requirements can be added separated with (optionally consecutive)
+delimiters including space, tab and newline.
 
 ::