Added public files
Roughly added all public files. Probably missed some, though.
diff --git a/doc/master/make_path_absolute b/doc/master/make_path_absolute
new file mode 100644
index 0000000..e0a0019
--- /dev/null
+++ b/doc/master/make_path_absolute
@@ -0,0 +1,10 @@
+SYNOPSIS
+ string make_path_absolute(string str)
+
+DESCRIPTION
+ Absolutize a relative filename str given to the editor. Should
+ return the full pathname of the file to use. Any non-string
+ result will act as ``bad file name''.
+
+SEE ALSO
+ ed(E), valid_write(M)