diff --git a/BLFS/xsl/dependencies.xsl b/BLFS/xsl/dependencies.xsl
index b2542a7..7e2619f 100644
--- a/BLFS/xsl/dependencies.xsl
+++ b/BLFS/xsl/dependencies.xsl
@@ -42,6 +42,7 @@
   <xsl:template match="dependency">
     <xsl:variable name="depname">
       <xsl:choose>
+        <xsl:when test="@name='xorg-env'"/>
         <xsl:when test="@name='x-window-system'">xinit</xsl:when>
         <xsl:when test="@name='xorg7'">xinit</xsl:when>
         <xsl:when test="@name='server-mail'">
diff --git a/BLFS/xsl/gen_pkg_list.xsl b/BLFS/xsl/gen_pkg_list.xsl
index 8b529b2..6126db4 100644
--- a/BLFS/xsl/gen_pkg_list.xsl
+++ b/BLFS/xsl/gen_pkg_list.xsl
@@ -200,41 +200,18 @@
             </xsl:element>
           </xsl:if>
 <!-- Dependencies -->
-<!-- If in Xorg or KDE chapter, consider that the preceding package is
-     the first dependency (not always noted in the book) -->
-          <xsl:if test="ancestor::chapter[@id='kde4-core'] or
-                       (ancestor::chapter[@id='x-window-system'] and
-                        preceding-sibling::sect1[@id != 'xorg7'])">
+<!-- If in Xorg (not anymore) or KDE chapter, consider that the preceding
+     package is the first dependency (not always noted in the book)-->
+          <xsl:if test="ancestor::chapter[@id='kde4-core']">
             <xsl:text>
             </xsl:text>
-            <xsl:choose>
-              <xsl:when test="contains(preceding-sibling::sect1[1]/@id,
-                                       'xorg7-') and
-                              not(contains(preceding-sibling::sect1[1]/@id,
-                                       'driver'))">
-                <xsl:call-template name="expand-deps">
-                  <xsl:with-param name="section">
-                    <xsl:value-of select="preceding-sibling::sect1[1]/@id"/>
-                  </xsl:with-param>
-                  <xsl:with-param name="status" select="'required'"/>
-                </xsl:call-template>
-              </xsl:when>
-              <xsl:otherwise>
-                <xsl:element name="dependency">
-                  <xsl:attribute name="status">required</xsl:attribute>
-                  <xsl:attribute name="name">
-                    <xsl:choose>
-                      <xsl:when test="@id='printproto'">xorg-server</xsl:when>
-                      <xsl:otherwise>
-                        <xsl:value-of
-                          select="preceding-sibling::sect1[1]/@id"/>
-                      </xsl:otherwise>
-                    </xsl:choose>
-                  </xsl:attribute>
-                  <xsl:attribute name="type">ref</xsl:attribute>
-                </xsl:element>
-              </xsl:otherwise>
-            </xsl:choose>
+            <xsl:element name="dependency">
+              <xsl:attribute name="status">required</xsl:attribute>
+              <xsl:attribute name="name">
+                <xsl:value-of select="preceding-sibling::sect1[1]/@id"/>
+              </xsl:attribute>
+              <xsl:attribute name="type">ref</xsl:attribute>
+            </xsl:element>
           </xsl:if>
           <xsl:apply-templates select=".//para[@role='required' or
                                                @role='recommended' or
diff --git a/common/libs/func_check_version.sh b/common/libs/func_check_version.sh
index 1573164..ebab825 100644
--- a/common/libs/func_check_version.sh
+++ b/common/libs/func_check_version.sh
@@ -99,33 +99,73 @@ check_prerequisites() {      #
   export LC_ALL
 
   # LFS/HLFS/CLFS prerequisites
-  check_version "$MIN_Linux_VER"     "`uname -r`"          "KERNEL"
-  check_version "$MIN_Bash_VER"      "$BASH_VERSION"       "BASH"
+  if [ -n "$MIN_Linux_VER" ]; then
+    check_version "$MIN_Linux_VER"     "`uname -r`"          "KERNEL"
+  fi
+  if [ -n "$MIN_Bash_VER" ]; then
+    check_version "$MIN_Bash_VER"      "$BASH_VERSION"       "BASH"
+  fi
   if [ ! -z $MIN_GCC_VER ]; then
     check_version "$MIN_GCC_VER"     "`gcc -dumpversion`"  "GCC"
     check_version "$MIN_GCC_VER"     "`g++ -dumpversion`"  "G++"
   elif [ ! -z $MIN_Gcc_VER ]; then
     check_version "$MIN_Gcc_VER"     "`gcc -dumpversion`"  "GCC"
   fi
-  check_version "$MIN_Glibc_VER"     "$(ldd --version  | head -n1 | awk '{print $NF}')"   "GLIBC"
-  check_version "$MIN_Binutils_VER"  "$(ld --version  | head -n1 | awk '{print $NF}')"    "BINUTILS"
-  check_version "$MIN_Tar_VER"       "$(tar --version | head -n1 | cut -d" " -f4)"        "TAR"
+  if [ -n "$MIN_Glibc_VER" ]; then
+    check_version "$MIN_Glibc_VER"     "$(ldd --version  | head -n1 | awk '{print $NF}')"   "GLIBC"
+  fi
+  if [ -n "$MIN_Binutils_VER" ]; then
+    check_version "$MIN_Binutils_VER"  "$(ld --version  | head -n1 | awk '{print $NF}')"    "BINUTILS"
+  fi
+  if [ -n "$MIN_Tar_VER" ]; then
+    check_version "$MIN_Tar_VER"       "$(tar --version | head -n1 | cut -d" " -f4)"        "TAR"
+  fi
+  if [ -n "$MIN_Bzip2_VER" ]; then
   bzip2Ver="$(bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f8)"
-  check_version "$MIN_Bzip2_VER"     "${bzip2Ver%%,*}"     "BZIP2"
-  check_version "$MIN_Bison_VER"     "$(bison --version | head -n1 | cut -d" " -f4)"      "BISON"
-  check_version "$MIN_Coreutils_VER" "$(chown --version | head -n1 | cut -d")" -f2)"      "COREUTILS"
-  check_version "$MIN_Diffutils_VER" "$(diff --version  | head -n1 | cut -d" " -f4)"      "DIFF"
-  check_version "$MIN_Findutils_VER" "$(find --version  | head -n1 | cut -d" " -f4)"      "FIND"
-  check_version "$MIN_Gawk_VER"      "$(gawk --version  | head -n1 | awk -F'[ ,]+' '{print $3}')" "GAWK"
-  check_version "$MIN_Grep_VER"      "$(grep --version  | head -n1 | awk '{print $NF}')"  "GREP"
-  check_version "$MIN_Gzip_VER"      "$(gzip --version 2>&1 | head -n1 | cut -d" " -f2)"  "GZIP"
-  check_version "$MIN_M4_VER"        "$(m4 --version 2>&1 | head -n1 | awk '{print $NF}')" "M4"
-  check_version "$MIN_Make_VER"      "$(make --version  | head -n1 | cut -d " " -f3 | cut -c1-4)" "MAKE"
-  check_version "$MIN_Patch_VER"     "$(patch --version | head -n1 | sed 's/.*patch //')" "PATCH"
-  check_version "$MIN_Perl_VER"      "$(perl -V:version | cut -f2 -d\')"                  "PERL"
-  check_version "$MIN_Sed_VER"       "$(sed --version   | head -n1 | cut -d" " -f4)"      "SED"
-  check_version "$MIN_Texinfo_VER"   "$(makeinfo --version | head -n1 | awk '{ print$NF }')" "TEXINFO"
-  check_version "$MIN_Xz_VER"        "$(xz --version | head -n1 | cut -d" " -f4)"         "XZ"
+    check_version "$MIN_Bzip2_VER"     "${bzip2Ver%%,*}"     "BZIP2"
+  fi
+  if [ -n "$MIN_Bison_VER" ]; then
+    check_version "$MIN_Bison_VER"     "$(bison --version | head -n1 | cut -d" " -f4)"      "BISON"
+  fi
+  if [ -n "$MIN_Coreutils_VER" ]; then
+    check_version "$MIN_Coreutils_VER" "$(chown --version | head -n1 | cut -d" " -f4)"      "COREUTILS"
+  fi
+  if [ -n "$MIN_Diffutils_VER" ]; then
+    check_version "$MIN_Diffutils_VER" "$(diff --version  | head -n1 | cut -d" " -f4)"      "DIFF"
+  fi
+  if [ -n "$MIN_Findutils_VER" ]; then
+    check_version "$MIN_Findutils_VER" "$(find --version  | head -n1 | cut -d" " -f4)"      "FIND"
+  fi
+  if [ -n "$MIN_Gawk_VER" ]; then
+    check_version "$MIN_Gawk_VER"      "$(gawk --version  | head -n1 | awk -F'[ ,]+' '{print $3}')" "GAWK"
+  fi
+  if [ -n "$MIN_Grep_VER" ]; then
+    check_version "$MIN_Grep_VER"      "$(grep --version  | head -n1 | awk '{print $NF}')"  "GREP"
+  fi
+  if [ -n "$MIN_Gzip_VER" ]; then
+    check_version "$MIN_Gzip_VER"      "$(gzip --version 2>&1 | head -n1 | cut -d" " -f2)"  "GZIP"
+  fi
+  if [ -n "$MIN_M4_VER" ]; then
+    check_version "$MIN_M4_VER"        "$(m4 --version 2>&1 | head -n1 | awk '{print $NF}')" "M4"
+  fi
+  if [ -n "$MIN_Make_VER" ]; then
+    check_version "$MIN_Make_VER"      "$(make --version  | head -n1 | cut -d " " -f3 | cut -c1-4)" "MAKE"
+  fi
+  if [ -n "$MIN_Patch_VER" ]; then
+    check_version "$MIN_Patch_VER"     "$(patch --version | head -n1 | sed 's/.*patch //')" "PATCH"
+  fi
+  if [ -n "$MIN_Perl_VER" ]; then
+    check_version "$MIN_Perl_VER"      "$(perl -V:version | cut -f2 -d\')"                  "PERL"
+  fi
+  if [ -n "$MIN_Sed_VER" ]; then
+    check_version "$MIN_Sed_VER"       "$(sed --version   | head -n1 | cut -d" " -f4)"      "SED"
+  fi
+  if [ -n "$MIN_Texinfo_VER" ]; then
+    check_version "$MIN_Texinfo_VER"   "$(makeinfo --version | head -n1 | awk '{ print$NF }')" "TEXINFO"
+  fi
+  if [ -n "$MIN_Xz_VER" ]; then
+    check_version "$MIN_Xz_VER"        "$(xz --version | head -n1 | cut -d" " -f4)"         "XZ"
+  fi
 }
 
 #----------------------------#
diff --git a/common/libs/func_install_blfs b/common/libs/func_install_blfs
index 66a4174..5f094d9 100644
--- a/common/libs/func_install_blfs
+++ b/common/libs/func_install_blfs
@@ -63,11 +63,12 @@ if [ "$DEP_TIDY" = y ]; then
 else
   LINE_TIDY='#CONFIG_html-tidy is not set'
 fi
-if [ "$DEP_DBXML" = y ]; then
-  LINE_DBXML='CONFIG_DocBook=y'
-else
-  LINE_DBXML='#CONFIG_DocBook is not set'
-fi
+# DocBook is a rec dep of libxslt
+# if [ "$DEP_DBXML" = y ]; then
+#   LINE_DBXML='CONFIG_DocBook=y'
+# else
+#   LINE_DBXML='#CONFIG_DocBook is not set'
+# fi
 if [ "$DEP_LYNX" = y ]; then
   LINE_LYNX='CONFIG_lynx=y'
 else
@@ -109,7 +110,6 @@ $LINE_PYTHON
 $LINE_LIBXML
 $LINE_LIBXSLT
 $LINE_TIDY
-$LINE_DBXML
 $LINE_OPENSSL
 $LINE_WGET
 $LINE_SVN
@@ -146,8 +146,26 @@ popd
 rm -v $BUILDDIR$BLFS_ROOT/download_script
 
 # Suppresses unneeded parts of the scriptlets
+if [ "$DEP_LIBXSLT" = y ]; then
+  # libxslt pulls docbook-xsl in, which populates the catalog with annoying
+  # **EDITME** references. Fortunately, those lines are regognizable because
+  # they occur between lines containing '/etc/xml/catalog' at the end of the
+  # line (without '&&'). I  have not found a simple way to delete lines
+  # between 2 addresses, excluding either the first or the last one. So use
+  # a loop for accumulating lines and deleting at the end.
+  # Sorry for sed synthax.
+  sed -i '\@^[[:space:]]*/etc/xml/catalog$@{
+n
+:a
+\@/etc/xml/catalog$@bb
+N
+ba
+:b
+d}' \
+      $BUILDDIR$BLFS_ROOT/scripts/*docbook-xsl
+fi
 if [ "$DEP_SUDO" = y ]; then
-  sed -i '/pam.d/i mkdir -p /etc/pam.d' $BUILDDIR$BLFS_ROOT/scripts/*sudo
+  sed -i '/cat.*pam.d/i mkdir -p /etc/pam.d' $BUILDDIR$BLFS_ROOT/scripts/*sudo
 fi
 if [ "$DEP_SVN" = y ]; then
   sed -i -e /javahl/d -e /swig/d $BUILDDIR$BLFS_ROOT/scripts/*subversion
@@ -163,6 +181,9 @@ fi
 mkdir -p $BUILDDIR$BLFS_ROOT/work
 pushd $BUILDDIR$BLFS_ROOT/work
 ../gen-makefile.sh
+# The generated Makefile updates the tracking file after each package
+# installation, using libxslt, which is not installed yet. So move
+# updating to the end of the process, adding an 'update' target
 sed -i -e '/xsltproc/,+6d' \
        -e '/^all/s@$@ update@' \
        -e 's/touch/@touch/' Makefile
diff --git a/install-blfs-tools.sh b/install-blfs-tools.sh
index 44ee05f..9d729c9 100755
--- a/install-blfs-tools.sh
+++ b/install-blfs-tools.sh
@@ -2,6 +2,25 @@
 # $Id$
 set -e
 
+: << inline_doc
+Installs a set-up to build BLFS packages.
+You can set these variables:
+TRACKING_DIR  : where the installed package file is kept.
+                 (default /var/lib/jhalfs/BLFS)
+BLFS_ROOT     : where the installed tools will be installed, relative to $HOME.
+                Must start with a '/' (default /blfs_root)
+BLFS_BRANCH_ID: development, branch-xxx, xxx (where xxx is a valid tag)
+                (default development)
+Examples:
+1 - If you plan to use the tools to build BLFS on top of LFS, but you did not
+use jhalfs, or forgot to include the jhalfs-blfs tools:
+(as root) mkdir -p /var/lib/jhalfs/BLFS && chown -R user /var/lib/jhalfs
+(as user) ./install-blfs-tools
+2 - To install with only user privileges:
+TRACKING_DIR=/home/user/blfs_root/trackdir ./install-blfs-tools
+inline_doc
+
+
 # VT100 colors
 declare -r  BLACK=$'\e[1;30m'
 declare -r  DK_GRAY=$'\e[0;30m'
@@ -35,8 +54,8 @@ VERBOSITY=1
 COMMON_DIR="common"
 BLFS_TOOL='y'
 BUILDDIR=$(cd ~;pwd)
-BLFS_ROOT="/blfs_root"
-TRACKING_DIR="/var/lib/jhalfs/BLFS"
+BLFS_ROOT="${BLFS_ROOT:=/blfs_root}"
+TRACKING_DIR="${TRACKING_DIR:=/var/lib/jhalfs/BLFS}"
 
 [[ $VERBOSITY > 0 ]] && echo "${SD_BORDER}${nl_}"
 
@@ -58,7 +77,8 @@ esac
 
 # Check for build prerequisites.
 echo
-  check_prerequisites
+  check_alfs_tools
+  check_blfs_tools
 echo "${SD_BORDER}${nl_}"
 
 # Install the files
@@ -81,6 +101,12 @@ rm -rf ${BUILDDIR}${BLFS_ROOT}/menu/lxdialog/.svn
 # Set some harcoded envars to their proper values
 sed -i s@tracking-dir@$TRACKING_DIR@ \
     ${BUILDDIR}${BLFS_ROOT}/{Makefile,gen-makefile.sh}
+
+# Ensures the tracking directory exists.
+# Throws an error if it does not exist and the user does not
+# have write permission to create it.
+# If it exists, does nothing.
+mkdir -p $TRACKING_DIR
 [[ $VERBOSITY > 0 ]] && echo "... OK"
 
 [[ $VERBOSITY > 0 ]] && echo -n "Downloading and validating the book (may take some time)"