tree 4c29f995f7ea77f4426e057fa2bf9e5b6eea0cb8
parent cf7ff70ca73218d618e7c00ab785bcf5f9120a94
author Bram Moolenaar <Bram@vim.org> 1462809484 +0200
committer Bram Moolenaar <Bram@vim.org> 1462809484 +0200

patch 7.4.1827
Problem:    No error when invoking a callback when it's not safe.
Solution:   Add an error message.  Avoid the error when freeing a channel.