Initial commit for adding colophon

Co-authored-by: Lars Bärring <[email protected]>

cf-conventions.adoc

@@ -1,13 +1,38 @@
 include::version.adoc[]
 = NetCDF Climate and Forecast (CF) Metadata Conventions
 Brian{nbsp}Eaton; Jonathan{nbsp}Gregory; Bob{nbsp}Drach; Karl{nbsp}Taylor; Steve{nbsp}Hankin; Jon{nbsp}Blower; John{nbsp}Caron; Rich{nbsp}Signell; Phil{nbsp}Bentley; Greg{nbsp}Rappa; Heinke{nbsp}Höck; Alison{nbsp}Pamment; Martin{nbsp}Juckes; Martin{nbsp}Raspaud; Randy{nbsp}Horne; Timothy{nbsp}Whiteaker; David{nbsp}Blodgett; Charlie{nbsp}Zender; Daniel{nbsp}Lee; David{nbsp}Hassell; Alan{nbsp}D.{nbsp}Snow; Tobias{nbsp}Kölling; Dave{nbsp}Allured; Aleksandar{nbsp}Jelenak; Anders{nbsp}Meier{nbsp}Soerensen; Lucile{nbsp}Gaultier; Sylvain{nbsp}Herlédan; Fernando{nbsp}Manzano; Lars{nbsp}Bärring; Christopher{nbsp}Barker; Sadie{nbsp}Bartholomew
-Version{nbsp}{current-version},{nbsp}{nbsp}{docprodtime}: See{nbsp}https://cfconventions.org{nbsp}for{nbsp}further{nbsp}information.
+Version{nbsp}{current-version},{nbsp}{nbsp}{docprodtime}
 :doctype: book
 :pdf-folio-placement: physical
 :sectanchors:
 :toc: macro
 :toclevels: 3
 
+[colophon:notitle]
+== {nbsp}
+Climate and Forecast Conventions version {current-version} {doi-text}
+
+image::images/cc-zero.svg[, 10%]
+This document is dedicated to the public domain following the link:https://creativecommons.org/publicdomain/zero/1.0/[Creative Commons CC0] Deed.
+
+The Climate and Forecasting Conventions website https://cfconventions.org/ contains additional resources and provides further information.
+ifdef::final[]
+ +
+ +
+ _Use the following reference to cite this version of the document:_ +
+Eaton B., Gregory J., Drach B., Taylor K., Hankin S., Blower J., Caron J., Signell R., Bentley P., 
+Rappa G., Höck H., Pamment A., Juckes M., Raspaud M., Horne R., Whiteaker T., Blodgett D., Zender C., 
+Lee D., Hassell D., Snow A. D., Kölling T., Allured D., Jelenak A., Soerensen A. M., Gaultier L., 
+Herlédan S., Manzano F., Bärring L., Barker C., Bartholomew S., 2023: 
+NetCDF Climate and Forecast (CF) Metadata Conventions version {current-version}.
+XXXX XXXX XXXX XXXX XXXX XXXX +
+ +
+(The author list may be shortened and replaced by "_et al._" as appropriate.) 
+endif::[]
+
+'''
+
+
 toc::[]
 
 :numbered!:

default-theme-CF-version.yml

@@ -21,6 +21,8 @@ page:
   margin_inner: 0.75in
   margin_outer: 0.59in
   size: A4
+  numbering:
+    start-at: after-toc
 base:
   text_align: justify
   font_color: 333333

version.adoc

@@ -12,8 +12,10 @@ or with the commandline switch `-a final`.
 ifdef::final[]
 :current-version: {version}
 :current-version-as-attribute: {version}
+:doi-text: {nbsp}{nbsp}{nbsp}DOI: link:https://doi.org/{doi}[{doi}]
 endif::[]
 ifndef::final[]
 :current-version: {version} draft
 :current-version-as-attribute: {version}-draft
+:doi-text: has not yet a DOI assigned.
 endif::[]