Many questions ask essentially about reusing pieces of text in multiple places in a document. The question titles don't always reflect this commonality. Answers call for external files, boxes, redefined macros, writing to the aux file, ...
Should there be a tag for this? Perhaps
I have asked or answered several such questions. Here are a few:
- list of occurences of references
I have enough reputation to create this tag, but given the warnings in help about doing so with care, want opinions before I do.