def add_missing_xml_attributes(dom, volume_counter=<NUM_LIT:0>):
mods_tag = get_mods_tag(dom)<EOL>if mods_tag:<EOL><INDENT>params = mods_tag.params<EOL>params["<STR_LIT>"] = "<STR_LIT>" % (volume_counter + <NUM_LIT:1>)<EOL>params["<STR_LIT>"] = "<STR_LIT>"<EOL>params["<STR_LIT>"] = "<STR_LIT>"<EOL>params["<STR_LIT>"] = "<STR_LIT>"<EOL>params["<STR_LIT>"] = "<STR_LIT:U+0020>".join((<EOL>"<STR_LIT>",<EOL>"<STR_LIT>",<EOL>"<STR_LIT>",<EOL>"<STR_LIT>",<EOL>"<STR_LIT>",<EOL>))<EOL><DEDENT>
Add `xmlns` and `ID` attributes to ``<mods:mods>`` tag.

Args:
    dom (HTMLElement): DOM containing whole document.
    volume_counter (int, default 0): ID of volume.