Attribute: journalmatter-type
All <journalmatter> documents must be assigned a @journalmatter-type: issue or standing.
Value: (issue|standing)
| Issue | Used for administrative materials (e.g., editorial board, information for authors, and subscription information) that are published in an issue. |
| Standing | Used for non-issue based and administrative materials (e.g., editorial board, information for authors, and subscription information) that are not published in an issue, but are static, such as information published on a website. |