Error(s) in re-building vignettes:
--- re-building 'mathml.Rmd' using rmarkdown
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/sgml/sgml.pl:188:
ERROR:    d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/sgml/sgml.pl:188: Initialization goal raised exception:
ERROR:    open_shared_object/3: Das angegebene Modul wurde nicht gefunden.

ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xml_basechar/1 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xml_quote_attribute/3 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:set_sgml_parser/2 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:new_dtd/2 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xml_extender/1 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xml_ideographic/1 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xml_name/2 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xml_quote_cdata/3 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:get_sgml_parser/2 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:iri_xml_namespace/2 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xsd_number_string/2 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:sgml_parse/2 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:new_sgml_parser/2 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:open_dtd/3 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:iri_xml_namespace/3 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xml_combining_char/1 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xsd_time_string/3 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:free_sgml_parser/1 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:free_dtd/1 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    Exported procedure sgml:xml_digit/1 is not defined
ERROR: d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/http/http/html_quasiquotations.pl:36:
ERROR:    d:/temp/rtmp6zmjtr/rlibs_262ac34b04cbe/rswipl/swipl/library/ext/sgml/sgml.pl:199: Initialization goal raised exception:
ERROR:    ignore/1: Unknown procedure: sgml:'_sgml_register_catalog_file'/2
ERROR:      However, there are definitions for:
ERROR:            sgml:sgml_register_catalog_file/2
ERROR: [Thread 1]: exception handler failed to define sgml:xml_quote_cdata/3
   Exception: (24) sgml:xml_quote_cdata('P', _566, utf8) ? EOF: exit (status 4)