patch 8.1.1371: cannot recover from a swap file commit https://github.com/vim/vim/commit/99499b1c05f85f83876b828eea3f6e14f0f407b4 Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 23 21:35:48 2019 +0200 patch 8.1.1371: cannot recover from a swap file Problem: Cannot recover from a swap file. Solution: Do not expand environment variables in the swap file name. Do not check the extension when we already know a file is a swap file. (Ken Takata, closes 4415, closes #4369)

--- a/src/proto/misc1.pro
+++ b/src/proto/misc1.pro
@@ -45,7 +45,7 @@ char_u *get_users(expand_T *xp, int idx)
 int match_user(char_u *name);
 void home_replace(buf_T *buf, char_u *src, char_u *dst, int dstlen, int one);
 char_u *home_replace_save(buf_T *buf, char_u *src);
-int fullpathcmp(char_u *s1, char_u *s2, int checkname);
+int fullpathcmp(char_u *s1, char_u *s2, int checkname, int expandenv);
 char_u *gettail(char_u *fname);
 char_u *gettail_sep(char_u *fname);
 char_u *getnextcomp(char_u *fname);