diff --git a/src/proto/change.pro b/src/proto/change.pro
new file mode 100644
index 0000000..34733f5
--- /dev/null
+++ b/src/proto/change.pro
@@ -0,0 +1,24 @@
+/* change.c */
+void change_warning(int col);
+void changed(void);
+void changed_internal(void);
+void changed_bytes(linenr_T lnum, colnr_T col);
+void inserted_bytes(linenr_T lnum, colnr_T col, int added);
+void appended_lines(linenr_T lnum, long count);
+void appended_lines_mark(linenr_T lnum, long count);
+void deleted_lines(linenr_T lnum, long count);
+void deleted_lines_mark(linenr_T lnum, long count);
+void changed_lines(linenr_T lnum, colnr_T col, linenr_T lnume, long xtra);
+void unchanged(buf_T *buf, int ff);
+void ins_bytes(char_u *p);
+void ins_bytes_len(char_u *p, int len);
+void ins_char(int c);
+void ins_char_bytes(char_u *buf, int charlen);
+void ins_str(char_u *s);
+int del_char(int fixpos);
+int del_chars(long count, int fixpos);
+int del_bytes(long count, int fixpos_arg, int use_delcombine);
+int open_line(int dir, int flags, int second_line_indent);
+int truncate_line(int fixpos);
+void del_lines(long nlines, int undo);
+/* vim: set ft=c : */