Change 'cryptmethod' from a number to a string option. Make it global-local.
diff --git a/src/proto/misc2.pro b/src/proto/misc2.pro
index 8d3397f..3fa0c9b 100644
--- a/src/proto/misc2.pro
+++ b/src/proto/misc2.pro
@@ -80,6 +80,9 @@
char_u *parse_shape_opt __ARGS((int what));
int get_shape_idx __ARGS((int mouse));
void update_mouseshape __ARGS((int shape_idx));
+int crypt_method_from_string __ARGS((char_u *s));
+int get_crypt_method __ARGS((buf_T *buf));
+void set_crypt_method __ARGS((buf_T *buf, int method));
void crypt_push_state __ARGS((void));
void crypt_pop_state __ARGS((void));
void crypt_encode __ARGS((char_u *from, size_t len, char_u *to));