Nudge version; update to DocBook 5.2b10a3

gradle.properties

@@ -4,7 +4,7 @@ verbose=false
 
 xslTNGtitle=DocBook xslTNG
 xslTNGbaseName=docbook-xslTNG
-xslTNGversion=1.3.0a2
+xslTNGversion=1.3.0a3
 guideVersion=1.3.0a2
 
 saxonVersion=10.1
@@ -22,11 +22,9 @@ pdftool=antennahouse
 antennahouse=/usr/local/AHFormatterV70/bin/AHFCmd
 prince=/usr/local/bin/prince
 
-# This is weird; the DocBook schema repository needs to
-# publish releases somewhere standard.
 docbookBaseURI=https://github.com/docbook/docbook/releases/download
-docbookVersion=5.2b10a2
-publishersVersion=5.2b10a2
+docbookVersion=5.2b10a3
+publishersVersion=5.2b10a3
 
 # List of test documents that are in the Publishers schema
 publishersDocuments = ["JFK_Inaugural", "auld_lang_syne", "hen_v", "drama.001"]