xia 1.4.0

We encountered an error during the generation of documentation:
<ExceptionDecl ["Invalid_Coercion"] mckae-xml-xpath-expressions.ads:93:4-93:33>
<ExceptionDecl ["Invalid_Expression"] mckae-xml-xpath-expressions.ads:149:4-149:35>
<ExceptionDecl ["Malformed_Predicate"] mckae-xml-xpath-predicates.ads:53:4-53:36>
<ExceptionDecl ["Malformed_Query"] mckae-xml-xpath-query_handling.ads:42:4-42:32>
<ExceptionDecl ["Malformed_XPath"] mckae-xml-xpath-xia.ads:51:4-51:32>
<ExceptionDecl ["Inappropriate_Node"] mckae-xml-xpath-xia.ads:54:4-54:35>
<ExceptionDecl ["Malformed_XPath"] mckae-xml-xpath-xia_worker.ads:40:4-40:32>
<ExceptionDecl ["Inappropriate_Node"] mckae-xml-xpath-xia_worker.ads:43:4-43:35>
<ExceptionDecl ["Malformed_XPath"] xia.ads:19:4-19:32>
<ExceptionDecl ["Inappropriate_Node"] xia.ads:22:4-22:35>
<ExceptionDecl ["Invalid_Character"] xpath.ads:12:4-12:34>

raised LANGKIT_SUPPORT.ERRORS.PROPERTY_ERROR : BasicDecl with multiple defining names
ERROR: Command ["gnatdoc4", "-P", "XIA.gpr", "--output-dir", "/home/chouteau/src/github/alire/docs.ada.dev/crate/xia/1.4.0", "--front-matter", "crate: xia", "--no-subprojects"] exited with code 1