DocBook: use xml:id instead of just id.

Amend 62af830f.

diff --git a/src/output_docbook.cpp b/src/output_docbook.cpp
index 8ba232d4e8f33db47863f3585c671472a6d454e3..2224cd8318ed399069858f1a54a6fed83341a1e2 100644 (file)
--- a/src/output_docbook.cpp
+++ b/src/output_docbook.cpp
@@ -343,7 +343,7 @@ ParagraphList::const_iterator makeParagraphBibliography(
                for (auto i = 0; i < par->size(); ++i) {
                        if (par->getInset(0)->lyxCode() == BIBITEM_CODE) {
                                const auto * bibitem = dynamic_cast<const InsetBibitem*>(par->getInset(i));
-                               attr = from_utf8("id='") + bibitem->bibLabel() + from_utf8("'");
+                               attr = from_utf8("xml:id='") + bibitem->bibLabel() + from_utf8("'");
                                break;
                        }
                }