diff --git a/Makefile b/Makefile
index 3f637cb..5499aed 100644
--- a/Makefile
+++ b/Makefile
@@ -126,9 +126,9 @@ uninstall:
 # Show targets
 ########################################################################
 
-.PHONY: help
+.PHONY: list
 
-help:
+list:
 	echo 'Usage: make TARGET [parameter=value...]'
 	echo 'Targets:';					\
 	$(MAKE) --print-data-base --just-print 2>&1		\
@@ -138,10 +138,10 @@ help:
 	| sed 's/:\+$$//'					\
 	| pr --omit-pagination --indent=4 --width=80 --columns=4
 	echo 'Default parameters:';				\
-	echo '    prefix    = /usr/local';			\
-	echo '    bindir    = /usr/local/bin';			\
-	echo '    datadir   = /usr/local/share';		\
-	echo '    mandir    = /usr/local/share/man'
+	echo '    prefix    = $(prefix)';			\
+	echo '    bindir    = $(bindir)';			\
+	echo '    datadir   = $(datadir)';			\
+	echo '    mandir    = $(mandir)'
 
 ########################################################################
 # Generate help text
diff --git a/bin/jqt b/bin/jqt
index f2b50b0..156b0f7 100755
--- a/bin/jqt
+++ b/bin/jqt
@@ -497,7 +497,7 @@ function merge
 # Render template
 ########################################################################
 
-declare -a JQ_PATH=( '-L' "$DATADIR/jqt" )
+declare -a JQ_PATH=( '-L' "${DATADIR}/jqt" )
 
 # < stdin > stdout
 function render
@@ -544,7 +544,7 @@ Preprocessor options      Data options
 Template options              -C
     -L DIRECTORY              -H                  
     -i MODULE                 -S                
-    -j MODULE:NAME          Information options
+    -j MODULE:NAME        Information options
 Document options              -h, --help
     -4, -5                    -p
     -d FILE                   -V, --version
@@ -709,6 +709,8 @@ while getopts :hVD:I:P:L:i:j:45d:weprt:m:M:T:CHS-: opt; do
                 ;;
             version) echo "$SELF $VERSION"; exit 0
                 ;;
+            datadir) echo "${DATADIR}"; exit 0
+                ;;
         # Pandoc options:
             base-header-level=*) PANDOC_OPTS[${#PANDOC_OPTS[@]}]="--$OPTARG";;
             bibliography=*) PANDOC_OPTS[${#PANDOC_OPTS[@]}]="--$OPTARG";;
diff --git a/docs/Makefile b/docs/Makefile
index 1afd8a3..d1c7580 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -1,158 +1,56 @@
 ########################################################################
-# Makefile
-#
 # Project: jqt
 # Author: <Joan Josep Ordinas Rosa> jordinas@gmail.com 
 # Description: Makefile for JQT web site management.
 # Published: https://fadado.github.io/jqt/
 #
-# Variables:
-# 	$(Metadata)
-# Rules:
-# 	$(Metadata) directory target and clobber method
+# Project specific makefile. All the imported modules are expected to be
+# independent, valid for any project without any change.  This should be
+# the only makefile to edit by hand!
 #
-########################################################################
-
-########################################################################
-# Load _Make_ configuration.
-########################################################################
-
-include make.d/configuration.make
-
-# Do not try to rebuilt static makefiles.
-Makefile make.d/configuration.make: ;
-
-########################################################################
-# Metadata directory for all generated make and metadata files.
-########################################################################
-
-Metadata ?= .meta
-
-$(Metadata):
-	$(info ==> $@)
-	mkdir --parents $@ >/dev/null 2>&1 || true
-
-# Delete all generated metadata
-clobber:: ; @rm -rf $(Metadata)
-
-########################################################################
-# Print debug info.
-########################################################################
-
-ifneq (,$(TRACE))
-ifdef MAKE_RESTARTS
-$(info Makefile phase restarted: $(MAKE_RESTARTS))
-endif
-endif
-
-########################################################################
-# Check command line sanity.
-########################################################################
-
-# Target 'clobber' must be alone.
-ifeq (clobber,$(filter clobber,$(MAKECMDGOALS)))
-ifneq (1,$(words $(MAKECMDGOALS)))
-$(error Target "clobber" must be alone)
-endif
-endif
+# Variables used:
+#	Root
+#
+# Variables modified:
+# 	JQTFLAGS
 
-# Do not build to clobber immediately.
-ifeq (clobber,$(MAKECMDGOALS))
-ifeq (,$(wildcard $(Metadata)))
-$(error Nothing to clobber)
-endif
-endif
+#Meta := .meta
+#VERBOSE := 1
+#TRACE := 1
 
-# Do not build to clean immediately.
-ifeq (clean,$(filter clean,$(MAKECMDGOALS)))
-ifeq (,$(wildcard $(Metadata)))
-$(error Nothing to clean)
-endif
-endif
+include make.d/Makefile.make
 
-# Check _root_ intentions.
-ifeq (,$(filter install uninstall,$(MAKECMDGOALS)))
-ifeq (0,$(shell id --user))
-$(error Root only can make "(un)install" targets)
-endif
-else
-ifneq (0,$(shell id --user))
-$(error Only root can make "(un)install" targets)
-endif
-endif
+# Last phase, after metadata configuration.
+ifdef __build
 
 ########################################################################
-# Include all makefile phases.
+# Build pages options.
 ########################################################################
 
-# Recursive variable used in all included makefiles. This works because the
-# included files do not include other makefiles.
-
-THIS = $(lastword $(MAKEFILE_LIST))
+# Pandoc options
+JQTFLAGS += -5 --toc-depth=4
 
 ########################################################################
-# Derive metadata from `config.yaml` or `config.json`.
-
--include $(Metadata)/phase1.make
- include make.d/phase1.make
-
-# Do not try to rebuilt static makefiles.
-make.d/phase1.make: ;
-
-# If `__phase_1` is not defined because `phase1.make` does not exists, after
-# this point the rest of the file is ignored, but `phase1.make` is built
-# because a rule exists in the file `config.make`.  Then this `Makefile` is
-# restarted, `MAKE_RESTARTS` is be equal to 1, `phase1.make` is now loaded and
-# `__phase_1` is defined. Equivalent situation happens in all phases.
-
-ifdef __phase_1
-
+# HTML 5 validation.
 ########################################################################
-# Build metadata from filesystem introspection.
 
--include $(Metadata)/phase2.make
- include make.d/phase2.make
+# Download vnu.jar from `https://github.com/validator/validator/releases`.
 
-# Do not try to rebuilt static makefiles.
-make.d/phase2.make: ;
+.PHONY: h5.valid h5.lint
 
-ifdef __phase_2
-
-########################################################################
-# Define standard rules and rules for HTML pages and nodes.
-
--include $(Metadata)/phase3.make
- include make.d/phase3.make
-
-# Do not try to rebuilt static makefiles.
-make.d/phase3.make: ;
-
-ifdef __phase_3
-
-########################################################################
-# Several complementary makefiles.
-
-include make.d/sitemap.make
-include make.d/styles.make
-##include make.d/tools.make
-
-# Do not try to rebuilt static makefiles.
-make.d/sitemap.make: ;
-make.d/styles.make: ;
-##make.d/tools.make: ;
-
-########################################################################
-# Project specific makefile. All the previous modules are expected to be
-# independent, valid for any project without any change. This file must
-# exist but can be empty.
+# Validation tool.
+VNU := /usr/local/vnu/vnu.jar
 
-include config.make
+# Validation.
+h5.valid: build
+	@xmlwf $(Root)/*.html
+	@java -jar $(VNU) --errors-only --format gnu $(Root)/*.html
 
-# Do not try to rebuilt static makefiles.
-config.make: ;
+# Validation with warnings.
+h5.lint: build
+	@xmlwf $(Root)/*.html
+	@java -jar $(VNU) --format text $(Root)/*.html
 
-endif # __phase_3
-endif # __phase_2
-endif # __phase_1
+endif # __build
 
 # vim:ai:sw=8:ts=8:noet:fileencoding=utf8:syntax=make
diff --git a/docs/README.md b/docs/README.md
index a4f84d7..3ca6d66 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -2,31 +2,19 @@
 
 ## Extension conventions for content files
 
-The files in the `content` and `data` directories must follow some conventions in the file
+The files in the `content` directory must follow some conventions in the file
 extensions:
 
-* Web site pages
-    - `content/content.md`
-    - `content/data.md`
-    - `content/engine.md`
-    - `content/index.md`
-    - `content/structure.md`
-
-* Partial MarkDown to be included
-    - `content/EXAMPLE.text`
-    - `content/FLOW.text`
-    - `content/LINKS.text`
-    - `content/opt/\*.text`
-
-* Other unrelated MarkDown files
-    - `content/help.text`
-    - `content/jqt.1.text`
-
-* Extension conventions for data files
-    - `data/table.csv`
-    - `data/snippets.md`
-    - `data/document.json`
-    - `data/document.yaml`
+* `*.md`: Web site pages.
+* `*.text`: Partial MarkDown to be included and other unrelated MarkDown files.
+
+The files in the `data` directory must follow some conventions in the file
+extensions:
+
+* `*.md`: MarkDown snippets in front-matter.
+* `*.csv`: CSV data files.
+* `*.json`: JSON documents.
+* `*.yaml`: YAML documents.
 
 # Variables
 
@@ -41,13 +29,14 @@ predefined variables:
 * `.site.Blocks`
 * `.site.Content`
 * `.site.Data`
-* `.site.Destination`
+* `.site.Root`
 * `.site.Layouts`
-* `.site.Metadata`
+* `.site.Meta`
 * `.site.Styles`
 
 In the configuration file you can assign new values to all predefined variables
-except `Metadata`, with hardcoded value in the file `Makefile`.
+except `Meta`, with default value defined in the file `make.d/Makefile.make`.
+You can modify this variable at the very beggining of your `Makefile`.
 
 ## Page variables
 
@@ -76,7 +65,7 @@ Front-matter members and the predefined variables.
 
 ```
           Slug
-        |---^---| 
+        |---^---|
 content/name.html
         |-^|
          Id
@@ -96,6 +85,17 @@ content/extras/indexes/name.html
              Path
 ```
 
+# _Sake_: static site build automation system
+
+## Current _GMake_ commands
+
+```
+Usage: make TARGET [parameter=value...]
+Targets:
+    build       clobber         h5.lint     list
+    clean       configure       h5.valid    touch
+```
+
 <!--
 vim:ts=4:sw=4:ai:et:fileencoding=utf8:syntax=markdown
 -->
diff --git a/docs/config.make b/docs/config.make
deleted file mode 100644
index 8f01314..0000000
--- a/docs/config.make
+++ /dev/null
@@ -1,44 +0,0 @@
-########################################################################
-#
-# Specific makefile for this web site.
-# This should be the only makefile to edit by hand!
-#
-# Variables imported:
-#	Metadata
-#	Destination
-#
-# Variables modified:
-# 	JQTFLAGS
-
-########################################################################
-# Build pages options.
-########################################################################
-
-# Pandoc options
-JQTFLAGS += -5 --toc-depth=4
-
-# Extra dependencies
-#?$(DestinationPages): $(Blocks)/filters.jq $(Blocks)/*/*.html $(Blocks)/*/*/*.html
-
-########################################################################
-# HTML 5 validation.
-########################################################################
-
-# Download vnu.jar from `https://github.com/validator/validator/releases`.
-
-.PHONY: valid lint
-
-# Validation tool.
-VNU := /usr/local/vnu/vnu.jar
-
-# Validation.
-valid: all
-	@xmlwf $(Destination)/*.html
-	@java -jar $(VNU) --errors-only --format gnu $(Destination)/*.html
-
-# Validation with warnings.
-lint: all
-	@xmlwf $(Destination)/*.html
-	@java -jar $(VNU) --format text $(Destination)/*.html
-
-# vim:ai:sw=8:ts=8:noet:fileencoding=utf8:syntax=make
diff --git a/docs/config.yaml b/docs/config.yaml
index 88dce49..af0da03 100644
--- a/docs/config.yaml
+++ b/docs/config.yaml
@@ -14,12 +14,12 @@
 # Blocks        blocks
 # Content       content
 # Data          data
-# Destination   _site
+# Root          _site
 # Layouts       layouts
 # Styles        styles
 
 # Changes from defaults (fast RAM disk)
-Destination: /tmp/jqt
+Root: /tmp/jqt
 
 #
 # Site parameters
@@ -51,6 +51,7 @@ defaults:
       title-prefix: jqt
       author: *author
       lang: *lang
+      Layout: page-toc
       Datasets:
         - snippets
       Dependencies:
@@ -58,7 +59,10 @@ defaults:
         - content/macros.m
         - content/LINKS.txt 
 #     Flags:
-#       - -mXYZ:$(Metadata)/XYZ.json
+#       - -mXYZ:$(Meta)/XYZ.json
+  - idprefix: "blog/"
+    properties:
+      Layout: page
 
 # vim:ts=2:sw=2:ai:et:fileencoding=utf8:syntax=yaml
 ...
diff --git a/docs/content/blog/2017-04-13-hello.md b/docs/content/blog/2017-04-13-hello.md
index 2e4716a..bfc0d23 100644
--- a/docs/content/blog/2017-04-13-hello.md
+++ b/docs/content/blog/2017-04-13-hello.md
@@ -7,7 +7,6 @@ description: |
 keywords:  blog, post, jqt, jq, pandoc
 published: "2017-04-13T06:45:07Z"
 updated: "2017-04-13T06:45:07Z"
-Layout: page
 ---
 <%include content/LINKS.txt>&
 
diff --git a/docs/make.d/Makefile.make b/docs/make.d/Makefile.make
new file mode 100644
index 0000000..c4d0e6e
--- /dev/null
+++ b/docs/make.d/Makefile.make
@@ -0,0 +1,136 @@
+########################################################################
+# Makefile.make -- Main makefile.
+#
+# Variables:
+# 	$(Meta)
+# Rules:
+# 	$(Meta) directory target and clobber target
+#
+########################################################################
+
+# Where all *.make files resides...
+MDIR := $(patsubst %/,%,$(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
+
+########################################################################
+# Load _Make_ configuration.
+########################################################################
+
+include $(MDIR)/configuration.make
+
+# Do not try to rebuilt static makefiles.
+$(MDIR)/Makefile.make $(MDIR)/configuration.make: ;
+
+########################################################################
+# Metadata directory for all generated make and metadata files.
+########################################################################
+
+Meta ?= .meta
+
+$(Meta):
+	$(info ==> $@)
+	mkdir --parents $@ >/dev/null 2>&1 || true
+
+# Delete all generated metadata
+clobber:: ; @rm -rf $(Meta)
+
+########################################################################
+# Print debug info.
+########################################################################
+
+ifneq (,$(TRACE))
+ifdef MAKE_RESTARTS
+$(info Makefile phase restarted: $(MAKE_RESTARTS))
+endif
+endif
+
+########################################################################
+# Check command line sanity.
+########################################################################
+
+# Target 'clobber' must be alone.
+ifeq (clobber,$(filter clobber,$(MAKECMDGOALS)))
+ifneq (1,$(words $(MAKECMDGOALS)))
+$(error Target "clobber" must be alone)
+endif
+endif
+
+# Do not build to clobber immediately.
+ifeq (clobber,$(MAKECMDGOALS))
+ifeq (,$(wildcard $(Meta)))
+$(error Nothing to clobber)
+endif
+endif
+
+## Do not build to clean immediately.
+#ifeq (clean,$(filter clean,$(MAKECMDGOALS)))
+#ifeq (,$(wildcard $(Meta)))
+#$(error Nothing to clean)
+#endif
+#endif
+
+########################################################################
+# Include all makefile phases.
+########################################################################
+
+# Recursive variable used in all included makefiles. This works because the
+# included files do not include other makefiles.
+
+THIS = $(lastword $(MAKEFILE_LIST))
+
+########################################################################
+# Derive metadata from `config.yaml` or `config.json`.
+
+-include $(Meta)/phase1.make
+ include $(MDIR)/phase1.make
+
+# Do not try to rebuilt static makefiles.
+$(MDIR)/phase1.make: ;
+
+# If `__phase_1` is not defined because `phase1.make` does not exists, after
+# this point the rest of the file is ignored, but `phase1.make` is built
+# because a rule exists in the file `config.make`.  Then this `Makefile` is
+# restarted, `MAKE_RESTARTS` is be equal to 1, `phase1.make` is now loaded and
+# `__phase_1` is defined. Equivalent situation happens in all phases.
+
+ifdef __phase_1
+
+########################################################################
+# Build metadata from filesystem introspection.
+
+-include $(Meta)/phase2.make
+ include $(MDIR)/phase2.make
+
+# Do not try to rebuilt static makefiles.
+$(MDIR)/phase2.make: ;
+
+ifdef __phase_2
+
+########################################################################
+# Define standard rules and rules for HTML pages and nodes.
+
+-include $(Meta)/phase3.make
+ include $(MDIR)/phase3.make
+
+# Do not try to rebuilt static makefiles.
+$(MDIR)/phase3.make: ;
+
+ifdef __phase_3
+__build := 1
+
+########################################################################
+# Several complementary makefiles.
+
+include $(MDIR)/sitemap.make
+include $(MDIR)/styles.make
+include $(MDIR)/tools.make
+
+# Do not try to rebuilt static makefiles.
+$(MDIR)/sitemap.make: ;
+$(MDIR)/styles.make: ;
+$(MDIR)/tools.make: ;
+
+endif # __phase_3
+endif # __phase_2
+endif # __phase_1
+
+# vim:ai:sw=8:ts=8:noet:fileencoding=utf8:syntax=make
diff --git a/docs/make.d/configuration.make b/docs/make.d/configuration.make
index d5f78a1..9915a81 100644
--- a/docs/make.d/configuration.make
+++ b/docs/make.d/configuration.make
@@ -20,7 +20,7 @@ $(error GNU Make version $(MAKE_VERSION); version >= 3.82 is needed)
 endif
 
 # Only one target at the same time.
-MAKECMDGOALS ?= all
+MAKECMDGOALS ?= build
 
 ########################################################################
 # Make configuration.
@@ -42,8 +42,8 @@ $(VERBOSE).SILENT:
 
 # Sets the default goal to be used if no targets were specified on the
 # command line.
-.PHONY: all
-.DEFAULT_GOAL := all
+.PHONY: build
+.DEFAULT_GOAL := build
 
 # Default shell: if we require GNU Make, why not require Bash?
 SHELL := /bin/bash
diff --git a/docs/make.d/phase1.jq b/docs/make.d/phase1.jq
index 1f78415..745efed 100644
--- a/docs/make.d/phase1.jq
+++ b/docs/make.d/phase1.jq
@@ -1,9 +1,9 @@
 ########################################################################
-# phase1.jq -- Define contents for `$(Metadata)/phase2.make`.
+# phase1.jq -- Define contents for `$(Meta)/phase2.make`.
 #
 # jq -r -f phase1.jq
-#   < $(Metadata)/site.json
-#   > $(Metadata)/phase1.make
+#   < $(Meta)/site.json
+#   > $(Meta)/phase1.make
 
 #
 # Output makefile
@@ -13,7 +13,7 @@
 "Blocks      := " + .Blocks,
 "Content     := " + .Content,
 "Data        := " + .Data,
-"Destination := " + .Destination,
+"Root        := " + .Root,
 "Layouts     := " + .Layouts,
 "Styles      := " + .Styles,
 "\n# \u0076im:syntax=make"
diff --git a/docs/make.d/phase1.make b/docs/make.d/phase1.make
index b79b2b4..1ec270e 100644
--- a/docs/make.d/phase1.make
+++ b/docs/make.d/phase1.make
@@ -1,44 +1,44 @@
 ########################################################################
 # phase1.make -- Rules for files derived from user defined configuration.
 #
-# Variables defined in $(Metadata)/phase1.make:
+# Variables defined in $(Meta)/phase1.make:
 #	__phase_1
 #	Assets
 #	Blocks
 #	Content
 #	Data
-#	Destination
+#	Root
 #	Layouts
 #	Styles
 #
-# Rules defined in make.d/phase1.make:
-#	$(Metadata)/config.json
-#	$(Metadata)/site.json
-#	$(Metadata)/phase1.make
-# 	$(Destination) directory rule and clobber and clean targets
+# Rules defined in $(MDIR)/phase1.make:
+#	$(Meta)/config.json
+#	$(Meta)/site.json
+#	$(Meta)/phase1.make
+# 	$(Root) directory rule and clobber and clean targets
 
-SUPER := Makefile
+SUPER := $(MDIR)/Makefile.make
 
 ########################################################################
 # Files derived from user defined configuration file.
 ########################################################################
 
 #
-# Create `$(Metadata)/config.json` from `config.yaml` or `config.json`.
+# Create `$(Meta)/config.json` from `config.yaml` or `config.json`.
 #
 ifeq (config.yaml,$(wildcard config.yaml))
 
-# Convert `config.yaml` to `$(Metadata)/config.json`.
-$(Metadata)/config.json: config.yaml $(SUPER) $(THIS) \
-| $(Metadata)
+# Convert `config.yaml` to `$(Meta)/config.json`.
+$(Meta)/config.json: $(CURDIR)/config.yaml $(SUPER) $(THIS) \
+| $(Meta)
 	$(info ==> $@)
 	yaml2json < $< > $@
 
 else ifeq (config.json,$(wildcard config.json))
 
-# Convert `config.json` to `$(Metadata)/config.json`.
-$(Metadata)/config.json: config.json $(SUPER) $(THIS) \
-| $(Metadata)
+# Convert `config.json` to `$(Meta)/config.json`.
+$(Meta)/config.json: $(CURDIR)/onfig.json $(SUPER) $(THIS) \
+| $(Meta)
 	$(info ==> $@)
 	jqt -Pjson < $< > $@
 
@@ -47,24 +47,24 @@ $(error Configuration file not found)
 endif
 
 #
-# Create `$(Metadata)/site.json` from `$(Metadata)/config.json` using
-# `make.d/phase1_site.jq`.
+# Create `$(Meta)/site.json` from `$(Meta)/config.json` using
+# `$(MDIR)/phase1_site.jq`.
 #
-$(Metadata)/site.json: $(Metadata)/config.json make.d/phase1_site.jq
+$(Meta)/site.json: $(Meta)/config.json $(MDIR)/phase1_site.jq
 	$(info ==> $@)
 	jq --sort-keys				\
-	   --from-file make.d/phase1_site.jq	\
-	   --arg Metadata $(Metadata)		\
+	   --from-file $(MDIR)/phase1_site.jq	\
+	   --arg Meta $(Meta)			\
 	   < $< > $@
 
 #
-# Create `$(Metadata)/phase1.make` from `$(Metadata)/site.json` using
-# `make.d/phase1.jq`.
+# Create `$(Meta)/phase1.make` from `$(Meta)/site.json` using
+# `$(MDIR)/phase1.jq`.
 #
-$(Metadata)/phase1.make: $(Metadata)/site.json make.d/phase1.jq 
+$(Meta)/phase1.make: $(Meta)/site.json $(MDIR)/phase1.jq 
 	$(info ==> $@)
 	jq --raw-output 		\
-	   --from-file make.d/phase1.jq	\
+	   --from-file $(MDIR)/phase1.jq	\
 	   < $< > $@
 
 ifdef __phase_1
@@ -73,15 +73,15 @@ ifdef __phase_1
 # Site destination directory.
 ########################################################################
 
-$(Destination):
+$(Root):
 	$(info ==> $@)
 	mkdir --parents $@ >/dev/null 2>&1 || true
 
 # Delete generated files.
-clean: ; @rm -rf $(Destination)/*
+clean: ; @rm -rf $(Root)/*
 
 # Delete destination directory.
-clobber:: ; @rm -rf $(Destination)
+clobber:: ; @rm -rf $(Root)
 
 endif # __phase_1
 
diff --git a/docs/make.d/phase1_site.jq b/docs/make.d/phase1_site.jq
index 12e9f45..3805261 100644
--- a/docs/make.d/phase1_site.jq
+++ b/docs/make.d/phase1_site.jq
@@ -1,23 +1,23 @@
 ########################################################################
 # phase1_site.jq -- Define global members using default values.
 #
-# jq -S -f phase1_site.jq --arg Metadata $(Metadata)
-#   < $(Metadata)/config.json
-#   > $(Metadata)/site.json
+# jq -S -f phase1_site.jq --arg Meta $(Meta)
+#   < $(Meta)/config.json
+#   > $(Meta)/site.json
 
 # Delete `.defaults` and add some new members with default value if not defined
 # in the configuration file.
 #
 del(.defaults)
 + {
-  	Metadata:    $Metadata,
-  	Assets:      (.Assets      // "assets"),
-  	Blocks:      (.Blocks      // "blocks"),
-  	Content:     (.Content     // "content"),
-  	Data:        (.Data        // "data"),
-  	Destination: (.Destination // "_site"),
-  	Layouts:     (.Layouts     // "layouts"),
-  	Styles:      (.Styles      // "styles")
+  	Meta:       $Meta,
+  	Assets:     (.Assets    // "assets"),
+  	Blocks:     (.Blocks    // "blocks"),
+  	Content:    (.Content   // "content"),
+  	Data:       (.Data      // "data"),
+  	Root:       (.Root      // "_site"),
+  	Layouts:    (.Layouts   // "layouts"),
+  	Styles:     (.Styles    // "styles")
 }
 
 # vim:ts=4:sw=4:ai:et:fileencoding=utf8:syntax=jq
diff --git a/docs/make.d/phase2.jq b/docs/make.d/phase2.jq
index be6d669..acad979 100644
--- a/docs/make.d/phase2.jq
+++ b/docs/make.d/phase2.jq
@@ -1,14 +1,14 @@
 ########################################################################
-# phase2.jq -- Define contents for `$(Metadata)/phase2.make`.
+# phase2.jq -- Define contents for `$(Meta)/phase2.make`.
 #
 # find $(Content) all MarkDown files |
 # jq -s -Rr -f phase2.jq
 #   --arg DF "$$(find $(Data) -name '*.*')"
 #   --arg Content $(Content)
 #   --arg Data $(Data)
-#   --arg Destination $(Destination)
-#   --arg Metadata $(Metadata)
-#   > $(Metadata)/phase2.make
+#   --arg Root $(Root)
+#   --arg Meta $(Meta)
+#   > $(Meta)/phase2.make
 
 # Extract pathname directory.
 def dir:
@@ -20,7 +20,7 @@ def dir:
 # destination_paths := _site/jqt/ _site/jqt/blog/ ...
 def destination_paths($paths):
     def dpath:
-        sub("^" + $Content; $Destination)
+        sub("^" + $Content; $Root)
     ;
     "destination_paths := " + ([$paths[] | dpath] | join(" ")) + "\n"
 ;
@@ -28,7 +28,7 @@ def destination_paths($paths):
 # metadata_paths := .meta/pages/ .meta/pages/blog/ ...
 def metadata_paths($paths):
     def mpath:
-        sub("^" + $Content; $Metadata + "/pages")
+        sub("^" + $Content; $Meta + "/pages")
     ;
     "metadata_paths := " + ([$paths[] | mpath] |  join(" ")) + "\n"
 ;
@@ -40,7 +40,7 @@ def metadata_paths($paths):
 def data_files($files):
     def d2m($x):
         sub("\\."+$x+"$"; ".json")
-        | sub("^"+$Data; $Metadata)
+        | sub("^"+$Data; $Meta)
     ;
     ($files / "\n") as $names
     | [$names[] | select(test(".md$"))] as $data_md
@@ -60,7 +60,7 @@ def data_files($files):
 # PagesHTML := _site/jqt/content.html _site/jqt/blog/2017-04-13-hello.html ...
 def pages_html($documents):
     def dpage:
-        sub("^" + $Content; $Destination)
+        sub("^" + $Content; $Root)
         | sub("\\.(?:markdown|mk?d)$"; ".html")
     ;
     "PagesHTML := " + ([$documents[] | dpage] | join(" ")) + "\n"
@@ -68,7 +68,7 @@ def pages_html($documents):
 
 # PagesJSON := .meta/pages/content.json .meta/pages/blog/2017-04-13-hello.json ...
 def md2json:
-    sub("^" + $Content; $Metadata + "/pages")
+    sub("^" + $Content; $Meta + "/pages")
     | sub("\\.(?:markdown|mk?d)$"; ".json")
 ;
 
diff --git a/docs/make.d/phase2.make b/docs/make.d/phase2.make
index bd383b1..512cbb1 100644
--- a/docs/make.d/phase2.make
+++ b/docs/make.d/phase2.make
@@ -1,7 +1,7 @@
 ########################################################################
 # phase2.make -- Build metadata from filesystem introspection.
 #
-# Variables defined in $(Metadata)/phase2.make:
+# Variables defined in $(Meta)/phase2.make:
 #	__phase_2
 #	data_csv
 #	data_json
@@ -12,32 +12,32 @@
 #	PagesHTML
 #	PagesJSON 
 #
-# Rules defined in $(Metadata)/phase2.make:
+# Rules defined in $(Meta)/phase2.make:
 # 	metadata JSON files for each HTML page
 #
-# Variables defined in make.d/phase2.make:
+# Variables defined in $(MDIR)/phase2.make:
 #	DataFiles
 #
-# Rules defined in make.d/phase2.make:
+# Rules defined in $(MDIR)/phase2.make:
 #	$(data_csv)
 #	$(data_json)
 #	$(data_md)
 #	$(data_yaml)
 # 	$(destination_paths)
 # 	$(metadata_paths)
-#	$(Metadata)/content.text
-#	$(Metadata)/data.text
-#	$(Metadata)/phase2.make
-# 	$(Metadata)/pages-by-id.json
+#	$(Meta)/content.text
+#	$(Meta)/data.text
+#	$(Meta)/phase2.make
+# 	$(Meta)/pages-by-id.json
 
-SUPER := $(Metadata)/phase1.make
+SUPER := $(Meta)/phase1.make
 
 ########################################################################
 # Create makefile defining global variables about pathnames and rules to
 # generate JSON metadata files for each page.
 ########################################################################
 
-$(Metadata)/content.text: $(THIS)
+$(Meta)/content.text: $(THIS)
 	$(info ==> $@)
 	find $(Content) -type f -a	\
 		-name '[!_]*.md' -o	\
@@ -45,32 +45,32 @@ $(Metadata)/content.text: $(THIS)
 		-name '[!_]*.markdown'	\
 	> $@
 
-$(Metadata)/data.text: $(THIS)
+$(Meta)/data.text: $(THIS)
 	$(info ==> $@)
 	find $(Data) -name '*.*' > $@
 
 #
-# Create `$(Metadata)/phase2.make` from `find` output using `make.d/phase2.jq`.
+# Create `$(Meta)/phase2.make` from `find` output using `$(MDIR)/phase2.jq`.
 #
-$(Metadata)/phase2.make: CONTENT := $(Metadata)/content.text 
-$(Metadata)/phase2.make: DATA := $(Metadata)/data.text 
-$(Metadata)/phase2.make: make.d/phase2.jq $(Metadata)/content.text $(Metadata)/data.text $(SUPER) $(THIS)
+$(Meta)/phase2.make: CONTENT := $(Meta)/content.text 
+$(Meta)/phase2.make: DATA := $(Meta)/data.text 
+$(Meta)/phase2.make: $(MDIR)/phase2.jq $(Meta)/content.text $(Meta)/data.text $(SUPER) $(THIS)
 	$(info ==> $@)
-	jq --raw-input				\
-	   --raw-output				\
-	   --slurp				\
-	   --from-file make.d/phase2.jq		\
-	   --arg DF "$$(<$(DATA))"		\
-	   --arg Content $(Content)		\
-	   --arg Data $(Data)			\
-	   --arg Destination $(Destination)	\
-	   --arg Metadata $(Metadata)		\
+	jq --raw-input			\
+	   --raw-output			\
+	   --slurp			\
+	   --from-file $(MDIR)/phase2.jq	\
+	   --arg DF "$$(<$(DATA))"	\
+	   --arg Content $(Content)	\
+	   --arg Data $(Data)		\
+	   --arg Root $(Root)		\
+	   --arg Meta $(Meta)		\
 	   < $(CONTENT) > $@
 
 ifdef __phase_2
 
 #
-# Variables used when building JSON files in `$(Metadata)/phase2.make`.
+# Variables used when building JSON files in `$(Meta)/phase2.make`.
 #
 
 define EXTRACT_FRONT_MATTER =
@@ -86,19 +86,19 @@ define BUILD_PAGE_JSON
   jq --sort-keys				\
      --arg Source $<				\
      --arg Target $@				\
-     --arg Metadata $(Metadata)			\
-     --slurpfile config $(Metadata)/config.json	\
-     --from-file make.d/phase2_page.jq
+     --arg Meta $(Meta)				\
+     --slurpfile config $(Meta)/config.json	\
+     --from-file $(MDIR)/phase2_page.jq
 endef
 
 #
 # Extra prerequisites for JSON metadata pages.
 #
 
-$(PagesJSON): $(Metadata)/config.json make.d/phase2_page.jq $(THIS) \
+$(PagesJSON): $(Meta)/config.json $(MDIR)/phase2_page.jq $(THIS) \
 | $$(dir $$@)
 
-# Content example for `$(Metadata)/phase2.make`:
+# Content example for `$(Meta)/phase2.make`:
 
 # __phase_2 := 1
 # destination_paths := _site/jqt/ _site/jqt/blog/
@@ -124,12 +124,12 @@ $(PagesJSON): $(Metadata)/config.json make.d/phase2_page.jq $(THIS) \
 # Rules for directories.
 ########################################################################
 
-# Directories starting at `$(Destination)/`.
+# Directories starting at `$(Root)/`.
 $(destination_paths):
 	$(info ==> $@)
 	mkdir --parents $@ >/dev/null 2>&1 || true
 
-# Directories starting at `$(Metadata)/pages/`.
+# Directories starting at `$(Meta)/pages/`.
 $(metadata_paths):
 	$(info ==> $@)
 	mkdir --parents $@ >/dev/null 2>&1 || true
@@ -140,13 +140,13 @@ $(metadata_paths):
 
 # Bundle all pages as a relation (Id => page)
 # TODO: use xargs? write $^ to a temp file with file()?
-$(Metadata)/pages-by-id.json: $(PagesJSON)
+$(Meta)/pages-by-id.json: $(PagesJSON)
 	$(info ==> $@)
 	cat $^ 							\
 	| jq -n 'reduce inputs as $$p ({}; . + {($$p.Id):$$p})'	\
 	> $@
 
-#$(Metadata)/pages-by-id.json: $(PagesJSON)
+#$(Meta)/pages-by-id.json: $(PagesJSON)
 #	$(info ==> $@)
 #	@jq --slurp 'reduce .[] as $$p ({}; . + {($$p.Id): $$p})' $^ > $@
 
@@ -157,32 +157,32 @@ $(Metadata)/pages-by-id.json: $(PagesJSON)
 DataFiles := 
 
 ifneq (,$(data_md))
-$(data_md): $(Metadata)/%.json : $(Data)/%.md \
-| $(Metadata)
+$(data_md): $(Meta)/%.json : $(Data)/%.md \
+| $(Meta)
 	$(info ==> $@)
 	jqt -T < $< | yaml2json > $@
 DataFiles += $(data_md)
 endif
 
 ifneq (,$(data_yaml))
-$(data_yaml): $(Metadata)/%.json : $(Data)/%.yaml \
-| $(Metadata)
+$(data_yaml): $(Meta)/%.json : $(Data)/%.yaml \
+| $(Meta)
 	$(info ==> $@)
 	yaml2json > $@
 DataFiles += $(data_yaml)
 endif
 
 ifneq (,$(data_json))
-$(data_json): $(Metadata)/%.json : $(Data)/%.json \
-| $(Metadata)
+$(data_json): $(Meta)/%.json : $(Data)/%.json \
+| $(Meta)
 	$(info ==> $@)
 	jqt -P json < $< > $@
 DataFiles += $(data_json)
 endif
 
 ifneq (,$(data_csv))
-$(data_csv): $(Metadata)/%.json : $(Data)/%.csv \
-| $(Metadata)
+$(data_csv): $(Meta)/%.json : $(Data)/%.csv \
+| $(Meta)
 	$(info ==> $@)
 	csv2json < $< > $@
 DataFiles += $(data_csv)
diff --git a/docs/make.d/phase2_page.jq b/docs/make.d/phase2_page.jq
index f1c2b5e..47d8bc6 100644
--- a/docs/make.d/phase2_page.jq
+++ b/docs/make.d/phase2_page.jq
@@ -4,10 +4,10 @@
 # input is page front-matter converted to JSON |
 # jq -S -f phase2_page.jq 
 #   --arg Source $(Content)/.../PAGE.md
-#   --arg Target $(Metadata)/pages/.../PAGE.json
-#   --arg Metadata $(Metadata)
-#   --slurpfile config $(Metadata)/config.json
-#   > $(Metadata)/pages/.../PAGE.json
+#   --arg Target $(Meta)/pages/.../PAGE.json
+#   --arg Meta $(Meta)
+#   --slurpfile config $(Meta)/config.json
+#   > $(Meta)/pages/.../PAGE.json
 
 # Pathname functions
 def basename:
@@ -24,31 +24,31 @@ def notdir:
     sub("^.*/"; "")
 ;
 
-# `$(Metadata)/pages/path/to/page.json` => `(../)+`
+# `$(Meta)/pages/path/to/page.json` => `(../)+`
 def page_base:
     # . as $target
     ("../" * (((. / "/") | length) - 3)) // ""
 ;
 
-# `$(Metadata)/pages/path/to/page.json` => `path/to/page`
+# `$(Meta)/pages/path/to/page.json` => `path/to/page`
 def page_id:
     # . as $target
-    basename | sub($Metadata+"/pages/"; "")
+    basename | sub($Meta+"/pages/"; "")
 ;
 
-# `$(Metadata)/pages/path/to/page.json` => `page`
+# `$(Meta)/pages/path/to/page.json` => `page`
 def page_filename:
     # . as $target
     notdir | basename
 ;
 
-# `$(Metadata)/pages/path/to/page.json` => `path/to/`
+# `$(Meta)/pages/path/to/page.json` => `path/to/`
 def page_path:
     # . as $obj
     .Id | dir
 ;
 
-# `$(Metadata)/pages/path/to/page.json` => `path/to`
+# `$(Meta)/pages/path/to/page.json` => `path/to`
 def page_section:
     #. as $obj
     if $Target | test("(?<!/pages)/index.json$") # index but not home page
@@ -56,13 +56,13 @@ def page_section:
     else .Path[:-1] end
 ;
 
-# `$(Metadata)/pages/path/to/page.json` => `page.html`
+# `$(Meta)/pages/path/to/page.json` => `page.html`
 def page_slug:
     # . as $obj
     .Filename + ".html"
 ;
 
-# `$(Metadata)/pages/path/to/page.json` => `path/to/page.html`
+# `$(Meta)/pages/path/to/page.json` => `path/to/page.html`
 def page_url:
     # . as $obj
     .Path + .Slug
diff --git a/docs/make.d/phase3.jq b/docs/make.d/phase3.jq
index 7514fb4..2c22482 100644
--- a/docs/make.d/phase3.jq
+++ b/docs/make.d/phase3.jq
@@ -1,12 +1,12 @@
 ########################################################################
-# phase3.jq -- Define contents for `$(Metadata)/phase3.make`.
+# phase3.jq -- Define contents for `$(Meta)/phase3.make`.
 #
 # jq -r -f phase3.jq
-#   --arg Metadata $(Metadata)
+#   --arg Meta $(Meta)
 #   --arg Layouts $(Layouts)
-#   --arg Destination $(Destination)
-#   < $(Metadata)/pages-by-id.json
-#   > $(Metadata)/phase3.make
+#   --arg Root $(Root)
+#   < $(Meta)/pages-by-id.json
+#   > $(Meta)/phase3.make
 
 def dependencies:
     if .Dependencies
@@ -16,7 +16,7 @@ def dependencies:
 
 def dataset:
     if .Datasets
-    then " " + (.Datasets | map("-m\(.):\($Metadata)/\(.).json") | join(" "))
+    then " " + (.Datasets | map("-m\(.):\($Meta)/\(.).json") | join(" "))
     else "" end
 ;
 
@@ -27,7 +27,7 @@ def flags:
 ;
 
 def page:
-    " -mpage:\($Metadata)/pages/\(.Id).json"
+    " -mpage:\($Meta)/pages/\(.Id).json"
 ;
 
 def layout:
@@ -42,7 +42,7 @@ def layout:
 # 	$(info ==> $@)
 # 	@$(JQT) -d $< -mpage:.meta/pages/blog/2017-04-13-hello.json layouts/page.html | $(DETAILS) > $@
 def page_rule:
-    $Destination+"/"+.URL+": " + .Source + layout + dependencies,
+    $Root+"/"+.URL+": " + .Source + layout + dependencies,
     "\t$(info ==> $@)",
     "\t@$(JQT) -d $<" + dataset + flags + page + layout + " | $(DETAILS) > $@"
 ;
diff --git a/docs/make.d/phase3.make b/docs/make.d/phase3.make
index 11d36b5..08c7c80 100644
--- a/docs/make.d/phase3.make
+++ b/docs/make.d/phase3.make
@@ -1,47 +1,45 @@
 ########################################################################
 # phase3.make -- Define standard rules and rules for HTML pages and nodes.
 #
-# Rules defined in $(Metadata)/phase3.make:
+# Rules defined in $(Meta)/phase3.make:
 # 	all HTML target files
 #
-# Rules defined in make.d/phase3.make:
-#	$(Metadata)/phase3.make
+# Rules defined in $(MDIR)/phase3.make:
+#	$(Meta)/phase3.make
 #
-# Targets defined in make.d/phase3.make:
-#	all
-# 	build
+# Targets defined in $(MDIR)/phase3.make:
+#	build
 # 	clean
 # 	clobber
-# 	dbg.meta
-# 	dbg.fresh
-# 	dbg.touch
+# 	configure
+# 	touch
 
-SUPER := $(Metadata)/phase2.make
+SUPER := $(Meta)/phase2.make
 
 ########################################################################
 # Create makefile containing rules for all HTML files.
 ########################################################################
 
 # Build rules for each page.
-$(Metadata)/phase3.make: $(Metadata)/pages-by-id.json make.d/phase3.jq $(SUPER) $(THIS)
+$(Meta)/phase3.make: $(Meta)/pages-by-id.json $(MDIR)/phase3.jq $(SUPER) $(THIS)
 	$(info ==> $@)
-	jq --raw-output				\
-	   --arg Metadata $(Metadata)		\
-	   --arg Layouts $(Layouts)		\
-	   --arg Destination $(Destination)	\
-	   --from-file make.d/phase3.jq		\
+	jq --raw-output			\
+	   --arg Meta $(Meta)		\
+	   --arg Layouts $(Layouts)	\
+	   --arg Root $(Root)		\
+	   --from-file $(MDIR)/phase3.jq	\
 	   < $< > $@
 
 ifdef __phase_3
 
 #
-# Variables used in `$(Metadata)/phase3.make`.
+# Variables used in `$(Meta)/phase3.make`.
 #
 
 define JQTFLAGS :=
-  -msite:$(Metadata)/site.json	\
+  -msite:$(Meta)/site.json	\
   -I./				\
-  -L$(Metadata)			\
+  -L$(Meta)			\
   -L$(Blocks)			\
   -ifilters
 endef
@@ -59,14 +57,14 @@ endef
 # Extra prerequisites for HTML pages.
 #
 
-$(PagesHTML): $(Destination)/%.html : $(Metadata)/pages/%.json
-$(PagesHTML): $(Metadata)/phase3.make $(Blocks)/*/markup.html $(Blocks)/*/*/markup.html \
+$(PagesHTML): $(Root)/%.html : $(Meta)/pages/%.json
+$(PagesHTML): $(Meta)/phase3.make $(Blocks)/*/markup.html $(Blocks)/*/*/markup.html \
 | $$(dir $$@)
 ifneq (,$(DataFiles))
 $(PagesHTML): $(DataFiles)
 endif
 
-# Content example for `$(Metadata)/phase3.make`:
+# Content example for `$(Meta)/phase3.make`:
 
 # __phase_3 := 1
 # _site/jqt/index.html: content/index.md layouts/page.html content/macros.m content/LINKS.txt content/EXAMPLE.txt
@@ -84,23 +82,20 @@ endif
 # Standard targets.
 ########################################################################
 
-.PHONY: clean clobber build
+.PHONY: clean clobber
 
 # Copy Assets after create HTML pages.
-all:: $(PagesHTML)
-	@cp --verbose --recursive --update $(Assets)/* $(Destination) \
+build:: $(PagesHTML)
+	@cp --verbose --recursive --update $(Assets)/* $(Root) \
 	| sed "s/^.*-> ./==> /;s/.$$//"
 
 # Delete secondary files.
 clobber:: ; @rm -rf *~ *.bak  *.log
 
-# Build again all documents.
-build: clean all
-
 ########################################################################
 # Debug variations on the `build` target.
 
-.PHONY: dbg.meta dbg.touch dbg.fresh
+.PHONY: configure touch
 
 # Touch top file
 define TEST_AND_TOUCH.sh
@@ -113,22 +108,18 @@ define TEST_AND_TOUCH.sh
 endef
 
 # Force regeneration of all metadata and data files.
-dbg.meta:
+configure:
 ifdef MAKE_RESTARTS
 	@$(MAKE) -s $(DataFiles) VERBOSE=$(VERBOSE) TRACE=$(TRACE)
 else
-	@rm -rf $(Metadata)
+	@rm -rf $(Meta)
 	@$(MAKE) -s $(DataFiles) VERBOSE=$(VERBOSE) TRACE=$(TRACE)
 endif
 
 # Make after touching `config.{yaml,json}`.
-dbg.touch:
+touch:
 	@$(TEST_AND_TOUCH.sh)
-	@$(MAKE) -s all VERBOSE=$(VERBOSE) TRACE=$(TRACE)
-
-# Clobber and build again.
-dbg.fresh: clobber
-	@$(MAKE) -s all VERBOSE=$(VERBOSE) TRACE=$(TRACE)
+	@$(MAKE) -s build VERBOSE=$(VERBOSE) TRACE=$(TRACE)
 
 endif # __phase_3
 
diff --git a/docs/make.d/sitemap.jq b/docs/make.d/sitemap.jq
index 82efacf..d39df95 100644
--- a/docs/make.d/sitemap.jq
+++ b/docs/make.d/sitemap.jq
@@ -2,9 +2,9 @@
 # sitemap.jq -- Generate site map XML file.
 #
 # jq -r -f sitemap.jq
-#   --slurpfile site $(Metadata)/site.json
-#   < $(Metadata)/pages-by-id.json 
-#   > $(Destination)/sitemap.xml
+#   --slurpfile site $(Meta)/site.json
+#   < $(Meta)/pages-by-id.json 
+#   > $(Root)/sitemap.xml
 
 $site[0].baseurl as $baseurl |
 
diff --git a/docs/make.d/sitemap.make b/docs/make.d/sitemap.make
index 52f372c..e1232d1 100644
--- a/docs/make.d/sitemap.make
+++ b/docs/make.d/sitemap.make
@@ -2,21 +2,21 @@
 # sitemap.make -- Define rules for site map.
 #
 # Exported rules for:
-#	$(Destination)/sitemap.xml
-#	$(Destination)/sitemap.xml.gz
+#	$(Root)/sitemap.xml
+#	$(Root)/sitemap.xml.gz
 
-$(Destination)/sitemap.xml: $(Metadata)/pages-by-id.json $(Metadata)/site.json make.d/sitemap.jq $(THIS) \
-| $(Destination)
+$(Root)/sitemap.xml: $(Meta)/pages-by-id.json $(Meta)/site.json $(MDIR)/sitemap.jq $(THIS) \
+| $(Root)
 	$(info ==> $@)
 	jq --raw-output					\
-	   --slurpfile site $(Metadata)/site.json	\
-	   --from-file make.d/sitemap.jq		\
+	   --slurpfile site $(Meta)/site.json	\
+	   --from-file $(MDIR)/sitemap.jq		\
 	   < $< > $@
 
-$(Destination)/sitemap.xml.gz: $(Destination)/sitemap.xml
+$(Root)/sitemap.xml.gz: $(Root)/sitemap.xml
 	$(info ==> $@)
 	@gzip --stdout < $< > $@
 
-all:: $(Destination)/sitemap.xml $(Destination)/sitemap.xml.gz
+build:: $(Root)/sitemap.xml $(Root)/sitemap.xml.gz
 
 # vim:ai:sw=8:ts=8:noet:fileencoding=utf8:syntax=make
diff --git a/docs/make.d/styles.make b/docs/make.d/styles.make
index 7068678..e170078 100644
--- a/docs/make.d/styles.make
+++ b/docs/make.d/styles.make
@@ -2,21 +2,21 @@
 # styles.make -- Generate main CSS stylesheet.
 #
 # Exported rules for:
-#	$(Destination)/styles.css
+#	$(Root)/styles.css
 
 # Secondary prerequisites.
-$(Destination)/styles.css:		\
+$(Root)/styles.css:		\
 	$(Blocks)/*/style.css		\
 	$(Blocks)/*/*/style.css		\
 	$(Styles)/*.css			\
-	$(Styles)/*.m 			\
 	$(Styles)/milligram/*.css	\
+	$(Styles)/milligram/*.m		\
 
-$(Destination)/styles.css: $(Styles)/main.css $(THIS) \
-| $(Destination)
+$(Root)/styles.css: $(Styles)/main.css $(THIS) \
+| $(Root)
 	$(info ==> $@)
-	@jqt -P CSS-min -I$(Styles) < $< > $@
+	jqt -P CSS-min -I$(Styles) < $< > $@
 
-all:: $(Destination)/styles.css
+build:: $(Root)/styles.css
 
 # vim:ai:sw=8:ts=8:noet:fileencoding=utf8:syntax=make
diff --git a/docs/make.d/tools.make b/docs/make.d/tools.make
index ac10fd9..4557188 100644
--- a/docs/make.d/tools.make
+++ b/docs/make.d/tools.make
@@ -4,24 +4,23 @@
 # Miscelaneous tools.
 #
 # Defined targets:
-# 	help
+# 	list
 
 ########################################################################
 # Show all targets.
 ########################################################################
 
-.PHONY: help
+.PHONY: list
 
-# Warning: `make help` can build several phases.
-help:
+# Warning: `make list` can build several phases.
+list:
 	@echo 'Usage: make TARGET [parameter=value...]'
 	@echo 'Targets:';					\
 	$(MAKE) --print-data-base --just-print 2>&1		\
 	| grep -v '^[mM]akefile'				\
-	| awk '/^[^ \t.%][-A-Za-z0-9_]*:/ { print $$1 }'	\
+	| awk '/^[^ \t.%][-A-Za-z0-9_.]*:/ { print $$1 }'	\
 	| sort --unique						\
 	| sed 's/:\+$$//'					\
-	| pr --omit-pagination --indent=4 --width=80 --columns=4\
-	|| true
+	| pr --omit-pagination --indent=4 --width=80 --columns=4
 
 # vim:ai:sw=8:ts=8:noet:fileencoding=utf8:syntax=make
diff --git a/docs/styles/main.css b/docs/styles/main.css
index b33dc03..4475549 100644
--- a/docs/styles/main.css
+++ b/docs/styles/main.css
@@ -2,13 +2,8 @@
 // Top-level stylesheet
 ////////////////////////////////////////////////////////////////////////
 
-&include{bem.m}
-&include{colornames.m}
-
 @import url("https://fonts.googleapis.com/css?family=Roboto:300,300italic,700,700italic");
 
-&include{normalize.css}
-
 &include{milligram.css}
 
 &include{blocks/body/_blog/style.css}
@@ -26,4 +21,4 @@
 // Not used
 //&include{media.css}
 
-// vim:ts=2:sw=2:ai:et:fileencoding=utf-8:syntax=css
+// vim:ts=2:sw=2:ai:et:fileencoding=utf-8:syntax=scss
diff --git a/docs/styles/media.css b/docs/styles/media.css
index 5e6d6d3..53c0559 100644
--- a/docs/styles/media.css
+++ b/docs/styles/media.css
@@ -17,4 +17,4 @@
 /* Larger than Desktop HD */
 //@media screen and (min-width: 1200px) { }
 
-// vim:ts=2:sw=2:ai:et:fileencoding=utf-8:syntax=css
+// vim:ts=2:sw=2:ai:et:fileencoding=utf-8:syntax=scss
diff --git a/docs/styles/milligram.css b/docs/styles/milligram.css
index c8ac18b..b656e7d 100644
--- a/docs/styles/milligram.css
+++ b/docs/styles/milligram.css
@@ -2,6 +2,12 @@
 // Milligram theme
 ////////////////////////////////////////////////////////////////////////
 
+// Include first!
+&include{milligram/BEM.m}
+&include{milligram/COLORNAMES.m}
+
+&include{milligram/Normalize.css}
+
 // Parameters
 &define{ColorInitial}{&White}
 &define{ColorPrimary}{&DarkCyan}
@@ -36,4 +42,4 @@
 //&include{milligram/form.css}
 //&include{milligram/button.css}
 
-// vim:ts=2:sw=2:ai:et:fileencoding=utf-8:syntax=css
+// vim:ts=2:sw=2:ai:et:fileencoding=utf-8:syntax=scss
diff --git a/docs/styles/bem.m b/docs/styles/milligram/BEM.m
similarity index 92%
rename from docs/styles/bem.m
rename to docs/styles/milligram/BEM.m
index 931864b..b01ba55 100644
--- a/docs/styles/bem.m
+++ b/docs/styles/milligram/BEM.m
@@ -24,7 +24,7 @@
 //
 // Cases:
 //
-// &CHM{block}{modifier}            => .block.-modifier
+// &CHM{block}{}{modifier}          => .block.-modifier
 // &CHM{block}{element}{modifier}   => .block__element.-modifier
 //
 &define{CHM}{&SEL{$1}&ifneq{$2}{}__$2&endif.-$3}
@@ -46,4 +46,4 @@
 //  ^theme                      &SEL
 //  _hack                       &HACK
 
-// vim:ts=4:sw=4:ai:et:fileencoding=utf8:syntax=cpp
+// vim:ts=4:sw=4:ai:et:fileencoding=utf8:syntax=scss
diff --git a/docs/styles/colornames.m b/docs/styles/milligram/COLORNAMES.m
similarity index 99%
rename from docs/styles/colornames.m
rename to docs/styles/milligram/COLORNAMES.m
index 1ffbe88..3380d5f 100644
--- a/docs/styles/colornames.m
+++ b/docs/styles/milligram/COLORNAMES.m
@@ -147,4 +147,4 @@
 &define{LightYellow}{	#FFFFE0}
 &define{Ivory}{	#FFFFF0}
 &define{White}{	#FFFFFF}
-// vim:syntax=tex:ts=32
+// vim:syntax=scss:ts=32
diff --git a/docs/styles/normalize.css b/docs/styles/milligram/Normalize.css
similarity index 100%
rename from docs/styles/normalize.css
rename to docs/styles/milligram/Normalize.css
diff --git a/docs/styles/milligram/button.css b/docs/styles/milligram/button.css
index 465f1ed..36b460b 100644
--- a/docs/styles/milligram/button.css
+++ b/docs/styles/milligram/button.css
@@ -27,7 +27,7 @@
 
 // Rules
 
-&_buttons {
+&_buttons{} {
   background-color: &ColorPrimary;
   border: 0.1rem solid &ColorPrimary;
   border-radius: .4rem;
@@ -53,49 +53,49 @@
   outline: 0;
 }
 
-&_buttons{.button_disabled},
+&_buttons{&BEM{button}{}{disabled}},
 &_buttons{[disabled]} {
   cursor: default;
   opacity: .5;
 }
 
-&_buttons_active{.button_disabled},
+&_buttons_active{&BEM{button}{}{disabled}},
 &_buttons_active{[disabled]} {
   background-color: &ColorPrimary;
   border-color: &ColorPrimary;
 }
 
-&_buttons{.button_outline} {
+&_buttons{&BEM{button}{}{outline}} {
   background-color: transparent;
   color: &ColorPrimary;
 }
 
-&_buttons_active{.button_outline} {
+&_buttons_active{&BEM{button}{}{outline}} {
   background-color: transparent;
   border-color: &ColorSecondary;
   color: &ColorSecondary;
 }
 
-&_buttons_active{.button_outline.button_disabled},
-&_buttons_active{.button_outline[disabled]} {
+&_buttons_active{&BEM{button}{}{outline}&BEM{button}{}{disabled}},
+&_buttons_active{&BEM{button}{}{outline}[disabled]} {
   border-color: inherit;
   color: &ColorPrimary;
 }
 
-&_buttons{.button_clear} {
+&_buttons{&BEM{button}{}{clear}} {
   background-color: transparent;
   border-color: transparent;
   color: &ColorPrimary;
 }
 
-&_buttons_active{.button_clear} {
+&_buttons_active{&BEM{button}{}{clear}} {
   background-color: transparent;
   border-color: transparent;
   color: &ColorSecondary;
 }
 
-&_buttons_active{.button_clear.button_disabled},
-&_buttons_active{.button_clear[disabled]} {
+&_buttons_active{&BEM{button}{}{clear}&BEM{button}{}{disabled}},
+&_buttons_active{&BEM{button}{}{clear}[disabled]} {
   color: &ColorPrimary;
 }
 
diff --git a/docs/styles/milligram/code.css b/docs/styles/milligram/code.css
index 9a8ccf7..3cff201 100644
--- a/docs/styles/milligram/code.css
+++ b/docs/styles/milligram/code.css
@@ -22,7 +22,7 @@ code {
 pre {
   background: &ColorTertiary;
   border-left: 0.3rem solid &ColorPrimary;
-	overflow-y: hidden;
+  overflow-y: hidden;
 }
 
 pre > code {
diff --git a/docs/styles/milligram/color.css b/docs/styles/milligram/color.css
index c16b08e..af6c38a 100644
--- a/docs/styles/milligram/color.css
+++ b/docs/styles/milligram/color.css
@@ -10,8 +10,6 @@
 // Color
 // ––––––––––––––––––––––––––––––––––––––––––––––––––
 
-// TODO: add `!default`?
-
 &ifndef{ColorInitial}
 &define{ColorInitial}{#FFFFFF}
 &endif
diff --git a/docs/styles/milligram/form.css b/docs/styles/milligram/form.css
index eb09490..a5347fc 100644
--- a/docs/styles/milligram/form.css
+++ b/docs/styles/milligram/form.css
@@ -30,7 +30,7 @@
 }
 
 &_input{} {
-	appearance: none // Removes awkward default styles on some inputs for iOS
+  appearance: none // Removes awkward default styles on some inputs for iOS
   background-color: transparent;
   border: 0.1rem solid &ColorQuaternary;
   border-radius: .4rem;
diff --git a/docs/styles/milligram/spacing.css b/docs/styles/milligram/spacing.css
index 696d1bc..f7cb9cb 100644
--- a/docs/styles/milligram/spacing.css
+++ b/docs/styles/milligram/spacing.css
@@ -18,7 +18,7 @@
 // Spacing
 // ––––––––––––––––––––––––––––––––––––––––––––––––––
 
-.button,
+&BEM{button},
 button,
 dd,
 dt,
diff --git a/docs/styles/milligram/table.css b/docs/styles/milligram/table.css
index 438912c..946724c 100644
--- a/docs/styles/milligram/table.css
+++ b/docs/styles/milligram/table.css
@@ -11,7 +11,7 @@
 // ––––––––––––––––––––––––––––––––––––––––––––––––––
 
 table {
-	border-spacing: 0;
+  border-spacing: 0;
   width: 100%;
 }
 
diff --git a/docs/styles/milligram/typography.css b/docs/styles/milligram/typography.css
index 419ebf9..475080c 100644
--- a/docs/styles/milligram/typography.css
+++ b/docs/styles/milligram/typography.css
@@ -19,7 +19,7 @@
 // ––––––––––––––––––––––––––––––––––––––––––––––––––
 
 b, strong {
-	font-weight: bold;
+  font-weight: bold;
 }
 
 p {
@@ -33,7 +33,7 @@ h4,
 h5,
 h6 {
   font-weight: 300;
-	letter-spacing: -.1rem; // JJOR: set again in _heading
+  letter-spacing: -.1rem; // JJOR: set again in _heading
   margin-bottom: calc(&TypographyScale * 2.0rem);
   margin-top: 0;  // calc(&TypographyScale * 0)
 }