remove autotools and gawk

this was discuted in the first issue as

* we don't need both of them
* is makes everything complicated

Makefile

@@ -0,0 +1,11 @@
+PREFIX ?= /usr/local
+
+all:
+	# nothing to do.
+	# echo to install dformat in /bin, type
+	#
+	# make install PREFIX=/
+	# default prefix is ${PREFIX}
+	#
+
+install: dformat; cp $< ${PREFIX}/bin

README

@@ -1,46 +1,19 @@
-* NAME
-
-  dformat.awk - A Program for Typesetting Data Formats.
-
-* DESCRIPTION
+Usable version of the code described in the article
 
-#+srcname: example
-#+begin_src sh
-  cat > structure <<'EOF'
-  .begin dformat
-  style bitwid .3
-  PDP-8 Instr
-          0-2 Op code
-          3 Indirect Bit
-          4 Page-Zero Bit
-          5-11 Page Address
-  .end
-  EOF
-
-  dformat.awk < structure > structure.pic
-  pic structure.ms | groff -ms -T ps > structure.ps
-
-#+end_src
-
-* VERSION
-
-This refers to version 0.1.
+	DFORMAT --
+	CSTR #142, Jon L. Bentley, Bell Labs, April 1988.
+	142.ps.gz
 
-* USAGE
-
-Check internet for the =142.ps.gz= file which is the official manual.
-The title is "dformat - A Program for Typesetting Data Formats." by
-Jon L. Bentley.
-
-* AUTHOR
-
-Jon L. Bentley at Bell Labs in April 1988.  
-
-* COPYRIGHT
-
-Unsure of the copyright, not sure to have the right to put it in my
-github repository.  Whatever ...
-
-# DFORMAT -- 
-# CSTR #142, Jon L. Bentley, Bell Labs, April 1988.
-# 142.ps.gz
+# USAGE
+
+* copy `dformat` in your `$PATH` or in your paper directory
+* dformat is an awk script. both examples are working
+
+	< eg/pdp8 dformat | groff -epTpdf > pdf8.pdf
+	dformat eg/pdp8   | groff -epTpdf > pdf8.pdf
+
+# TODO
+
+* the git history in the AUTHORS
+* fix the licence issue. GPL removed as there was no agreement of the original author
+* better Make install and decent man page

src/dformat.awk → dformat

@@ -1,4 +1,5 @@
-gawk '
+#!/bin/awk -f
+
 function error(s) { print "dformat error: " s " near input line " NR | "cat 1>&2" }
 
 BEGIN { s =   "recht 0.3        addrht 0.055    recspread 0.15 "
@@ -105,9 +106,3 @@ $1 == "pic"   { $1 = ""; print $0; next }
                 }
               }
 END           { if (inlang) error("eof inside begin/end") }
-' $*
-
-# See :
-# DFORMAT -- A Program for Typesetting Data Formats.
-# CSTR #142, Jon L. Bentley, Bell Labs, April 1988. 
-# 142.ps.gz

eg/pdp8

@@ -0,0 +1,8 @@
+.begin dformat
+style bitwid .3
+PDP-8 Instr
+	0-2 Op code
+	3 Indirect Bit
+	4 Page-Zero Bit
+	5-11 Page Address
+.end