patch 8.0.0685: when conversion fails written file may be truncated commit https://github.com/vim/vim/commit/e6bf655bc4de1b7f4586e1f5c2fc4978141c3aa3 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jun 27 22:11:51 2017 +0200 patch 8.0.0685: when conversion fails written file may be truncated Problem: When making backups is disabled and conversion with iconv fails the written file is truncated. (Luo Chen) Solution: First try converting the file and write the file only when it did not fail. (partly by Christian Brabandt)