[Doc] Update DocBook example instructions

build.gradle

@@ -7,7 +7,7 @@ plugins {
 }
 
 group 'net.signbit.samx'
-version '0.4.3'
+version '0.4.4'
 
 sourceCompatibility = 1.8
 

src/test/resources/docbook/README.md

@@ -6,38 +6,32 @@ You can run the to_xml converter, using the -r option to set the root element to
 Convert test files to DocBook XML:
 
 ```shell script
-$ tar xf ~/work/samxj/build/distributions/samxj-0.3.6.tar
+$ tar xf ~/work/samxj/build/distributions/samxj-0.4.4.tar
 $ ls
-samxj-0.3.6
-$ cd samxj-0.1.8/test/docbook
-samxj-0.3.6/test/docbook$ ls
+samxj-0.4.4
+$ cd samxj-0.4.4/examples/docbook
+samxj-0.4.4/examples/docbook$ ls
 chapter1.samx  chapter2.samx  main.samx  README.md
-samxj-0.3.6/test/docbook$ ../../bin/to_xml -i main.samx -o draft.xml -r book -n http://docbook.org/ns/docbook -v 5.1 --docbook
-enable DocBook mode
-samxj-0.3.6/test/docbook$ ls draft.xml
+samxj-0.4.4/examples/docbook$ ../../bin/to_xml -i main.samx -o draft.xml -r book -n http://docbook.org/ns/docbook -v 5.1 --docbook -s ../../schemas/docbook.rng.gz
+Enable DocBook mode
+XML output is well-formed
+DocBook document validated using Jing
+samxj-0.4.4/examples/docbook$ ls draft.xml
 draft.xml
 ```
 
-Validate DocBook v5.1 using Jing:
-
-```shell script
-samxj-0.3.6/test/docbook$ wget https://docbook.org/xml/5.1/rng/docbook.rng
-samxj-0.3.6/test/docbook$ jing -f docbook.rng foo.xml
-[warning] /usr/bin/jing: Unable to locate batik-all in /usr/share/java
-```
+The converting step also validates the output against the included DocBook schema.
 
 Generate PDF from DocBook XML:
 
 ```shell script
-samxj-0.3.6/test/docbook$ dblatex draft.xml
+samxj-0.4.4/test/docbook$ dblatex draft.xml
 Build the book set list...
 Build the listings...
 XSLT stylesheets DocBook - LaTeX 2e (0.3.11py3)
 ===================================================
-No template matches p in chapter.
-No template matches p in section.
-No template matches p in chapter.
-No template matches p in section.
+Stripping NS from DocBook 5/NG document.
+Processing stripped document.
 Build draft.pdf
 'draft.pdf' successfully built
 ```