{content-replication} is about reusing content in several places in a document, or in several documents (other than in the {header-footer}, {table-of-contents} or lists of figures or tables).
Many questions ask essentially about reusing pieces of text in multiple places in a document or in several documents. The question titles don't always reflect this commonality. Answers may call for external files, boxes, redefined macros, writing to the aux file, ...
This tag is not appropriate for questions about the table of contents, or lists of tables or figures, or indexing.
Related tags: external files, table-of-contents
Examples:
