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

diff --git a/RelNotes b/RelNotes
index c150f36749e0ac78acc95f794b03c9bf5688c6d1..36a588545842e8fcebf31f7ab59fa890f1ef5e8e 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.7.0.7.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.9.3.txt
\ No newline at end of file