diff --git a/src/proto/ex_docmd.pro b/src/proto/ex_docmd.pro
index 959f209..d22d406 100644
--- a/src/proto/ex_docmd.pro
+++ b/src/proto/ex_docmd.pro
@@ -3,6 +3,7 @@
 int do_cmdline_cmd(char_u *cmd);
 int do_cmd_argument(char_u *cmd);
 int do_cmdline(char_u *cmdline, char_u *(*fgetline)(int, void *, int, getline_opt_T), void *cookie, int flags);
+void handle_did_throw(void);
 int getline_equal(char_u *(*fgetline)(int, void *, int, getline_opt_T), void *cookie, char_u *(*func)(int, void *, int, getline_opt_T));
 void *getline_cookie(char_u *(*fgetline)(int, void *, int, getline_opt_T), void *cookie);
 char_u *getline_peek(char_u *(*fgetline)(int, void *, int, getline_opt_T), void *cookie);