Where possible, use \ivoaDocversion in references to "current version"

VOTable.tex

@@ -545,9 +545,9 @@ \section{The VOTable Document Structure}
 \label{elem:VOTABLE}
 
 The overall VOTable document structure is described and controlled
-by its XML Schema \citep{std:XSD}.  The schema for VOTable version 1.4 is
+by its XML Schema \citep{std:XSD}.  The schema for VOTable version \ivoaDocversion{} is
 given in \Arefx{XML-schema} of this document.  It can also
-be retrieved from \url{http://www.ivoa.net/xml/VOTable/votable-1.4.xsd}.
+be retrieved from \url{http://www.ivoa.net/xml/VOTable/votable-1.5.xsd}.
 
 A VOTable document consists of a single all-containing element
 called {\elem{VOTABLE}}, which contains descriptive elements and global definitions
@@ -563,8 +563,8 @@ \section{The VOTable Document Structure}
 (described in \Aref{sec:data}).
 
 As the root element, \elem{VOTABLE} has attributes which specify the VOTable version
-number and XML namespaces used in the document. For VOTable 1.4, the \elem{VOTABLE}
-element MUST define \attrval{version}{1.4}.  All VOTable 1.4 elements come from the
+number and XML namespaces used in the document. For VOTable \ivoaDocversion{}, the \elem{VOTABLE}
+element MUST define \attrval{version}{\ivoaDocversion{}}.  All VOTable \ivoaDocversion{} elements come from the
 namespace \nolinkurl{http://www.ivoa.net/xml/VOTable/v1.3}.  It is recommended to bind
 the empty namespace prefix to this URI, as in
 \attrval{xmlns}{http://www.ivoa.net/xml/VOTable/v1.3}, but instance
@@ -702,8 +702,8 @@ \subsection{\elem{COOSYS} Element}
 % /GENERATED
 
 As that vocabulary can be extended at any time, clients should fail
-gracefully when they encounter unknown reference frames.  Until VOTable
-1.4, these identifiers were defined in the VOTable schema, and some
+gracefully when they encounter unknown reference frames.  Up through
+VOTable 1.4, these identifiers were defined in the VOTable schema, and some
 systems had different identifiers.  These legacy identifiers are still
 in the vocabulary, but they are deprecated.  Clients should use the
 vocabulary (see sect. 3 of \citet{2023ivoa.spec.0206D} for how to do
@@ -1788,7 +1788,7 @@ \subsection{Data Encoding}
 convert a binary file to text (through base64 encoding), so that binary
 data can be used in the XML document.
 
-In this version (1.4) of VOTable, it is not possible to encode
+In this version of VOTable, it is not possible to encode
 individual columns of the table: the whole table must be encoded in
 the same way. However, the possibility of encoding selected table cells
 is  being examined for future versions of VOTable
@@ -2087,12 +2087,12 @@ \section{Definitions of Primitive Datatypes}
 
 
 \clearpage
-\section{A Simplified View of the VOTable 1.4 Schema}
+\section{A Simplified View of the VOTable \ivoaDocversion{} Schema}
 \label{dtd}
 
-The XML Schema defining a VOTable 1.4 document
+The XML Schema defining a VOTable \ivoaDocversion{} document
 is available from
-\url{http://www.ivoa.net/xml/VOTable/votable-1.4.xsd}
+\url{http://www.ivoa.net/xml/VOTable/votable-1.5.xsd}
 as well as in \Arefx{XML-schema} of this document.
 In this section we illustrate this XML Schema
 by a set of boxes describing the structure of a VOTable,
@@ -2103,7 +2103,7 @@ \section{A Simplified View of the VOTable 1.4 Schema}
 
 \subsection{Element Hierarchy}
 
-The hierarchy of the elements existing in VOTable 1.4 is illustrated below;
+The hierarchy of the elements existing in VOTable \ivoaDocversion{} is illustrated below;
 it uses the following conventions:
 \begin{itemize}
 \item   {\em italicized} text represents {\em optional} elements;
@@ -2136,7 +2136,7 @@ \subsection{Attribute Summary}
 \item   Attributes written in bold are \requiredattr{required attributes}
 \item   Attributes written in a {fixed font} are \attr{optional}.
 \item   Attributes written in {\it italics}
-        are not part of VOTable 1.4, but are {\it reserved}
+        are not part of VOTable \ivoaDocversion{}, but are {\it reserved}
         for possible extensions (mentioned in an Appendix).
 \end{itemize}
 
@@ -2749,11 +2749,11 @@ \subsection{A New {\tt XMLDATA} Serialization}
 element, their definition can be generated automatically from the set of
 \elem{FIELD} definitions.
 
-\section{The VOTable V1.5 XML Schema}
+\section{The VOTable version \ivoaDocversion{}  XML Schema}
 \label{XML-schema}
-The XML Schema of VOTable 1.4 is included here as a reference.
+The XML Schema of VOTable \ivoaDocversion{} is included here as a reference.
 This schema includes a couple of extra optional attributes which are not
-part of VOTable-1.4 ({\em ID} in TR and {\em encoding} in TD),
+part of VOTable-\ivoaDocversion{} ({\em ID} in TR and {\em encoding} in TD),
 but proved to be useful to fix some problems encountered in the
 usage of some code generators.
 \bigskip