patch 8.2.1804: resolve('/') returns an empty string Commit: https://github.com/vim/vim/commit/50c4e9e08fb0981892e33afb9fe3751aa6df1fa4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Oct 5 20:38:06 2020 +0200 patch 8.2.1804: resolve('/') returns an empty string Problem: resolve('/') returns an empty string. Solution: Don't remove single slash. (closes https://github.com/vim/vim/issues/7074)

--- a/src/filepath.c
+++ b/src/filepath.c
@@ -1889,7 +1889,7 @@ f_resolve(typval_T *argvars, typval_T *r
 	    is_relative_to_current = TRUE;
 
 	len = STRLEN(p);
-	if (len > 0 && after_pathsep(p, p + len))
+	if (len > 1 && after_pathsep(p, p + len))
 	{
 	    has_trailing_pathsep = TRUE;
 	    p[len - 1] = NUL; // the trailing slash breaks readlink()