Index: 03_drawing.html
===================================================================
--- 03_drawing.html	(revision 1350)
+++ 03_drawing.html	(revision 1351)
@@ -103,11 +103,10 @@
 <p><table border=1 cellspacing=0>
 <tr><th colspan=3 bgcolor="#aaaaaa"> {des3:16} pen properties
 <tr><th> property     <th> mandatory <th> description
-<tr><td> <i>oid</i>   <td> yes       <td> &nbsp;
+<tr><td> name         <td> yes       <td> string: name assigned by the user; used for addressing pens; unique within the group
 <tr><td> tip shape    <td> yes       <td> circle (also called round) or square; when square, an edge of the square is always aligned with the stroke direction
 <tr><td> tip size     <td> yes       <td> circle diameter or square edge length in coordinates
 <tr><td> <i>color</i> <td> yes       <td> &nbsp;
-<tr><td> name         <td> no        <td> string: arbitrary name assigned by the user; can be used for addressing pens
 <tr><td> dash         <td> no        <td> dash pattern
 </table>
 
@@ -122,7 +121,7 @@
 bit represents a tip sized unit in length. TODO: specify corner cases
 
 <p id="des3:74">{des3:74} Pens are defined per group. When an object refers to a pen,
-it uses the <i>oid</i> or <i>name</i> of the pen. The pen is searched first in the group of
+it uses the <i>name</i> of the pen. The pen is searched first in the group of
 the object; if not found, in the parent group, then in the grandparent group,
 etc. If no pen with the given oid (or name) is found when reaching the root, a
 warning is issued and a safe default pen is used.
Index: 03_drawing_imp.html
===================================================================
--- 03_drawing_imp.html	(revision 1350)
+++ 03_drawing_imp.html	(revision 1351)
@@ -119,27 +119,26 @@
 by using the <a href="03_drawing.html#des3:74">pen fallback mechanism</a>:
 
 <p><ul>
-	<li> {imp3:16} there is a <b>convention</b> that pen values below 64 are defined only by the sheet (the <a href="03_drawing.html#des3:66">direct group</a>)
-	<li> {imp3:17} there is a <a href="#imp3:19"> table </a> about the <b>conventional</b> meaning of those low ID pens
-	<li> {imp3:18} groups intended to be used on any sheet should mostly use these low ID pens without defining them as pens for those purposes described below, falling back to the actual pen definitions in the direct root group; for other purposes groups should define local pens with ID starting from 64
+	<li> {imp3:17} there is a <a href="#imp3:19"> table </a> about the <b>conventional</b> pen names all sheets expected to have
+	<li> {imp3:18} groups intended to be used on any sheet should mostly use <b>conventional</b> pens without defining them as pens for those purposes described below, falling back to the actual pen definitions in the direct root group; for other purposes groups should define local pens; using uppercase pen names avoids collision with future <b>conventional</b> names
 </ul>
 
 <p id="imp3:19"><table border=1 cellspacing=0>
 <tr><th colspan=2 bgcolor="#aaaaaa"> {imp3:19} the convention for centrally defined pens
-<tr><th> ID         <th> usage
-<tr><td> 1          <td> default sheet decoration
-<tr><td> 2          <td> default sheet title-box and out-of-band annotations
-<tr><td> 3          <td> default wire-net (wiring)
-<tr><td> 4          <td> default bus (wiring)
-<tr><td> 5          <td> default terminal
-<tr><td> 6          <td> default bus terminal
-<tr><td> 7          <td> default hubs and connection graphics for wire-nets
-<tr><td> 8          <td> default symbol decoration lines
-<tr><td> 9          <td> default symbol primary data text (e.g. refdes, value)
-<tr><td> 10         <td> default symbol secondary data text (e.g. devmap, footprint)
-<tr><td> 11         <td> default terminal primary data text (e.g. number, name)
-<tr><td> 12         <td> default terminal secondary data text
-<tr><td> 13         <td> default wire-net junction mark
+<tr><th> name           <th> usage
+<tr><td> sheet-decor    <td> default sheet decoration
+<tr><td> sheet-title    <td> default sheet title-box and out-of-band annotations
+<tr><td> wire           <td> default wire-net (wiring)
+<tr><td> bus            <td> default bus (wiring)
+<tr><td> terminal       <td> default terminal
+<tr><td> bus-terminal   <td> default bus terminal
+<tr><td> hub            <td> default hubs and connection graphics for wire-nets
+<tr><td> sym-decor      <td> default symbol decoration lines
+<tr><td> sym-primary    <td> default symbol primary data text (e.g. refdes, value)
+<tr><td> sym-secondary  <td> default symbol secondary data text (e.g. devmap, footprint)
+<tr><td> term-primary   <td> default terminal primary data text (e.g. number, name)
+<tr><td> term-secondary <td> default terminal secondary data text
+<tr><td> junction       <td> default wire-net junction mark
 </table>