sync with experimental

source/texk/web2c/luatexdir/ChangeLog

+2022-02-26 Luigi Scarso <luigi.scarso@gmail.com>
+    * write xformattributes and xformresources  (thanks to E. Renkema)
+
 2022-02-25 Luigi Scarso <luigi.scarso@gmail.com>
     * lower max to 10000 and reverse check to max check exception penalty (H.Hagen)
 

source/texk/web2c/luatexdir/luatex_svnversion.h

-#define luatex_svn_revision 7495
+#define luatex_svn_revision 7499

source/texk/web2c/luatexdir/pdf/pdfgen.c

@@ -1678,6 +1678,7 @@ void pdf_begin_page(PDF pdf)
         form_margin = obj_xform_margin(pdf, pdf_cur_form);
         if (xform_attributes != null)
             pdf_print_toks(pdf, xform_attributes);
+        print_pdf_table_string(pdf, "xformattributes");
         if (obj_xform_attr(pdf, pdf_cur_form) != null) {
             pdf_print_toks(pdf, obj_xform_attr(pdf, pdf_cur_form));
             delete_token_ref(obj_xform_attr(pdf, pdf_cur_form));
@@ -1963,6 +1964,7 @@ void pdf_end_page(PDF pdf)
         if (xform_resources != null) {
             pdf_print_toks(pdf, xform_resources);
         }
+        print_pdf_table_string(pdf, "xformresources");
         if (obj_xform_resources(pdf, pdf_cur_form) != null) {
             pdf_print_toks(pdf, obj_xform_resources(pdf, pdf_cur_form));
             delete_token_ref(obj_xform_resources(pdf, pdf_cur_form));