--- /dev/null
+----------------------------------------------------------------------
+(Anti) Regression tests
+----------------------------------------------------------------------
+
+- To build the tests, "markup" must already be compiled in ..
+ Do "make" to start the compilation.
+
+- To run the tests:
+ ./run
+
+- Program dumpfiles: Do "make dumpfiles" to create it.
+ It takes XML file names on the command line, and writes a Latex
+ document on stdout. The document shows the contents of all files.
+ EXAMPLE:
+ $ ./dumpfiles canonxml/data_jclark_valid/ext-sa/*.* >x.tex
+ $ latex x