Build src/test/regress/README during tarball making like the other

generated text files.  Fix build of that file, too.

Put the text files in the right place during make dist, so there are no
extra manual steps required anymore.

GNUmakefile.in

@@ -108,6 +108,10 @@ distdir:
 	  fi || exit; \
 	done
 	$(MAKE) -C $(distdir) distprep
+	$(MAKE) -C $(distdir)/doc/src/sgml/ HISTORY INSTALL regress_README
+	cp $(distdir)/doc/src/sgml/HISTORY $(distdir)/
+	cp $(distdir)/doc/src/sgml/INSTALL $(distdir)/
+	cp $(distdir)/doc/src/sgml/regress_README $(distdir)/src/test/regress/README
 	$(MAKE) -C $(distdir) distclean
 	rm -f $(distdir)/README.CVS
 

doc/src/sgml/Makefile

@@ -196,7 +196,8 @@ HISTORY.html: release.sgml
 
 regress_README.html: regress.sgml
 	( echo '<!doctype chapter PUBLIC "-//OASIS//DTD DocBook V4.2//EN" ['; \
-	  echo '<!entity % standalone-ignore "IGNORE"> ]>'; \
+	  echo '<!entity % standalone-ignore "IGNORE">'; \
+	  echo '<!entity % standalone-include "INCLUDE"> ]>'; \
 	  cat $< ) >tempfile_regress_README.sgml
 	$(JADE.text) -V nochunks tempfile_regress_README.sgml >$@
 	rm tempfile_regress_README.sgml

doc/src/sgml/regress.sgml

@@ -313,7 +313,9 @@ exclusion of those that don't.
      If the <literal>errors</literal> test results in a server crash
      at the <literal>select infinite_recurse()</> command, it means that
      the platform's limit on process stack size is smaller than the
-     <xref linkend="guc-max-stack-depth"> parameter indicates.  This
+     <![%standalone-ignore;[<xref linkend="guc-max-stack-depth">]]>
+     <![%standalone-include;[<literal>max_stack_depth</literal>]]>
+     parameter indicates.  This
      can be fixed by running the postmaster under a higher stack
      size limit (4MB is recommended with the default value of 
      <varname>max_stack_depth</>).  If you are unable to do that, an