diff --git a/src/proto/misc1.pro b/src/proto/misc1.pro
index e9bc32c..a54b8b5 100644
--- a/src/proto/misc1.pro
+++ b/src/proto/misc1.pro
@@ -48,10 +48,11 @@
 void vim_beep __ARGS((void));
 void init_homedir __ARGS((void));
 void free_homedir __ARGS((void));
-void expand_env __ARGS((char_u *src, char_u *dst, int dstlen));
-void expand_env_esc __ARGS((char_u *srcp, char_u *dst, int dstlen, int esc, char_u *startstr));
-char_u *vim_getenv __ARGS((char_u *name, int *mustfree));
 char_u *expand_env_save __ARGS((char_u *src));
+char_u *expand_env_save_opt __ARGS((char_u *src, int one));
+void expand_env __ARGS((char_u *src, char_u *dst, int dstlen));
+void expand_env_esc __ARGS((char_u *srcp, char_u *dst, int dstlen, int esc, int one, char_u *startstr));
+char_u *vim_getenv __ARGS((char_u *name, int *mustfree));
 void vim_setenv __ARGS((char_u *name, char_u *val));
 char_u *get_env_name __ARGS((expand_T *xp, int idx));
 void home_replace __ARGS((buf_T *buf, char_u *src, char_u *dst, int dstlen, int one));