BibRecord: adding DTD only in correct mode.
BibRecord: adding DTD only in correct mode.

The DTD line is now added only when pyRXP is run in correct mode. Moreover
this trigger a memory leak in pyRXP-1.12 and older. Please use pyRXP-1.13 or
greater.

inveniosoftware/invenio,tiborsimko/invenio,inveniosoftware/invenio,tiborsimko/invenio