Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/master/parse_command_prepos_list b/doc/master/parse_command_prepos_list
new file mode 100644
index 0000000..24706ce
--- /dev/null
+++ b/doc/master/parse_command_prepos_list
@@ -0,0 +1,9 @@
+SYNOPSIS
+	string *parse_command_prepos_list(void)
+
+DESCRIPTION
+	Used by parse_command(). Return an array of common
+	prepositions in the installations native language.
+
+SEE ALSO
+	parse_command(E)