patch 8.0.0393: order of duplicate tags is not preserved commit https://github.com/vim/vim/commit/98e83b295628bc29bc67bcc1adb8ae75d01b8e07 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 1 15:45:05 2017 +0100 patch 8.0.0393: order of duplicate tags is not preserved Problem: When the same tag appears more than once, the order is unpredictable. (Charles Campbell) Solution: Besides using a dict for finding duplicates, use a grow array for keeping the tags in sequence.