ident.c: add split_ident_line() to parse formatted ident line

diff --git a/RelNotes b/RelNotes
index 028ad79e1f7226088102667085ca5ceb43c4d442..36a588545842e8fcebf31f7ab59fa890f1ef5e8e 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.7.2.2.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.9.3.txt
\ No newline at end of file