Use short form of version attribute for index page

antora.yml

@@ -6,6 +6,6 @@ nav:
 - modules/ROOT/content-nav.adoc
 asciidoc:
   attributes:
-    neo4j-version-short: '5'
-    neo4j-version: '5.3'
+    neo4j-version: '5'
+    neo4j-version-minor: '5.3'
     neo4j-version-exact: '5.3.0'

modules/ROOT/pages/index.adoc

@@ -2,7 +2,7 @@
 
 [[cypher-manual]]
 = The Neo4j Cypher Manual v{neo4j-version}
-:neo4j-buildnumber: {neo4j-version}
+:neo4j-buildnumber: {neo4j-version-minor}
 
 Cypher is Neo4j's graph query language that allows users to store and retrieve data from the graph database.
 It is a declarative, SQL-inspired language for describing visual patterns in graphs.
@@ -11,12 +11,12 @@ The syntax provides a visual and logical way to match patterns of nodes and rela
 
 == Documentation updates for Neo4j 5
 
-Neo4j v5 includes a number of new features and updates.
+Neo4j {neo4j-version} includes a number of new features and updates.
 A highlight of these include:
 
 * Cypher syntax improvements with Graph Pattern Matching (relationships and labels):
 +
-** In `MATCH` clauses, `WHERE` can be placed inside a relationship pattern to filter relationships. 
+** In `MATCH` clauses, `WHERE` can be placed inside a relationship pattern to filter relationships.
 ** In `MATCH` clauses, nodes and relationships can be filtered using more sophisticated label (type) expressions.
 ** Simpler alternative syntax to navigate and traverse graphs using the following operators:
 *** `&`: logical `AND`
@@ -30,7 +30,7 @@ For more information, see the xref:syntax/expressions.adoc#label-expressions[sec
 * New `elementID` for graph objects:
 +
 New IDs are introduced to uniquely identify graph elements in Neo4j databases. 
-Node ID will exist with each release of Neo4j v5. 
+Node ID will exist with each release of Neo4j {neo4j-version}. 
 +
 For more information, see xref:functions/scalar.adoc#functions-elementid[`elementId()`].