A tags file is a classic UNIX format for storing an index of where symbols are defined in a source tree, for ease of finding a symbol definition from within an editor. Both vim and emacs have native support for loading TAGS files and using them to jump to symbol definitions. When performing tags lookups, vim deduplicates results, to suppress identical matches (perhaps in case you’ve concatenated multiple tags files? I’ll admit to not fully understanding the intent here). However, historic...
