1. 5fedb8a patch 9.0.1418: the included xdiff code is a bit outdated by Yee Cheng Chin · 2 years, 6 months ago
  2. ba02e47 patch 8.2.3390: included xdiff code is outdated by Christian Brabandt · 4 years ago
  3. 707d226 patch 8.1.2389: using old C style comments by Bram Moolenaar · 6 years ago
  4. e828b76 patch 8.1.0360: using an external diff program is slow and inflexible by Bram Moolenaar · 7 years ago