Message
mixed-citation
Rule Content Model:
This rule ASSERTS that the content of the element adheres to the following content model, raising an alert if FALSE:
((#PCDATA | bold | fixed-case | italic | monospace | overline | roman | sans-serif
| sc | strike | underline | ruby | alternatives | inline-graphic | inline-media |
private-char | chem-struct | inline-formula | label | abbrev | index-term | index-term-range-end
| milestone-end | milestone-start | named-content | styled-content | annotation |
article-title | chapter-title | comment | conf-acronym | conf-date | conf-loc | conf-name
| conf-sponsor | data-title | date-in-citation | day | edition | email | elocation-id
| ext-link | fpage | gov | institution | institution-wrap | isbn | issn | issn-l |
issue | issue-id | issue-part | issue-title | lpage | month | object-id | page-range
| part-title | patent | person-group | pub-id | publisher-loc | publisher-name | season
| series | size | source | std | string-name | supplement | trans-source | trans-title
| uri | version | volume | volume-id | volume-series | year | sub | sup | target))*