added help for new set shell command added parser option to not generate

* debugXML.c: added help for new set shell command
* xinclude.c xmllint.c xmlreader.c include/libxml/parser.h:
  added parser option to not generate XInclude start/end nodes,
  added a specific option to xmllint to test it fixes #130769
* Makefile.am: regression test the new feature
* doc/xmllint.1 doc/xmllint.xml: updated man page to document option.
Daniel
diff --git a/doc/xmllint.1 b/doc/xmllint.1
index ffb7a75..2dd3a57 100644
--- a/doc/xmllint.1
+++ b/doc/xmllint.1
@@ -24,7 +24,7 @@
 .ad l
 .hy 0
 .HP 8
-\fBxmllint\fR [\fB\-\-version\fR | \fB\-\-debug\fR | \fB\-\-shell\fR | \fB\-\-debugent\fR | \fB\-\-copy\fR | \fB\-\-recover\fR | \fB\-\-noent\fR | \fB\-\-noout\fR | \fB\-\-nonet\fR | \fB\-\-htmlout\fR | \fB\-\-nowrap\fR | \fB\-\-valid\fR | \fB\-\-postvalid\fR | \fB\-\-dtdvalid\ \fIURL\fR\fR | \fB\-\-dtdvalidfpi\ \fIFPI\fR\fR | \fB\-\-timing\fR | \fB\-\-output\ \fIfile\fR\fR | \fB\-\-repeat\fR | \fB\-\-insert\fR | \fB\-\-compress\fR | \fB\-\-html\fR | \fB\-\-xmlout\fR | \fB\-\-push\fR | \fB\-\-memory\fR | \fB\-\-maxmem\ \fInbbytes\fR\fR | \fB\-\-nowarning\fR | \fB\-\-noblanks\fR | \fB\-\-nocdata\fR | \fB\-\-format\fR | \fB\-\-encode\ \fIencoding\fR\fR | \fB\-\-dropdtd\fR | \fB\-\-nsclean\fR | \fB\-\-testIO\fR | \fB\-\-catalogs\fR | \fB\-\-nocatalogs\fR | \fB\-\-auto\fR | \fB\-\-xinclude\fR | \fB\-\-loaddtd\fR | \fB\-\-dtdattr\fR | \fB\-\-stream\fR | \fB\-\-walker\fR | \fB\-\-pattern\ \fIpatternvalue\fR\fR | \fB\-\-chkregister\fR | \fB\-\-relaxng\fR | \fB\-\-schema\fR | \fB\-\-c14n\fR] [\fB\fIxmlfile\fR\fR]
+\fBxmllint\fR [\fB\-\-version\fR | \fB\-\-debug\fR | \fB\-\-shell\fR | \fB\-\-debugent\fR | \fB\-\-copy\fR | \fB\-\-recover\fR | \fB\-\-noent\fR | \fB\-\-noout\fR | \fB\-\-nonet\fR | \fB\-\-htmlout\fR | \fB\-\-nowrap\fR | \fB\-\-valid\fR | \fB\-\-postvalid\fR | \fB\-\-dtdvalid\ \fIURL\fR\fR | \fB\-\-dtdvalidfpi\ \fIFPI\fR\fR | \fB\-\-timing\fR | \fB\-\-output\ \fIfile\fR\fR | \fB\-\-repeat\fR | \fB\-\-insert\fR | \fB\-\-compress\fR | \fB\-\-html\fR | \fB\-\-xmlout\fR | \fB\-\-push\fR | \fB\-\-memory\fR | \fB\-\-maxmem\ \fInbbytes\fR\fR | \fB\-\-nowarning\fR | \fB\-\-noblanks\fR | \fB\-\-nocdata\fR | \fB\-\-format\fR | \fB\-\-encode\ \fIencoding\fR\fR | \fB\-\-dropdtd\fR | \fB\-\-nsclean\fR | \fB\-\-testIO\fR | \fB\-\-catalogs\fR | \fB\-\-nocatalogs\fR | \fB\-\-auto\fR | \fB\-\-xinclude\fR | \fB\-\-noxincludenode\fR | \fB\-\-loaddtd\fR | \fB\-\-dtdattr\fR | \fB\-\-stream\fR | \fB\-\-walker\fR | \fB\-\-pattern\ \fIpatternvalue\fR\fR | \fB\-\-chkregister\fR | \fB\-\-relaxng\fR | \fB\-\-schema\fR | \fB\-\-c14n\fR] [\fB\fIxmlfile\fR\fR]
 .ad
 .hy
 
@@ -179,6 +179,10 @@
 Do XInclude processing\&.
 
 .TP
+\fB\-\-noxincludenode\fR
+Do XInclude processing but do not generate XInclude start and end nodes\&.
+
+.TP
 \fB\-\-loaddtd\fR
 Fetch external DTD\&.