* src/complain.h, src/complain.c (warn, complain): Remove, unused.

* src/reader.c (lineno): Remove.
Adjust all dependencies.
(get_merge_function): Take a location and use complain_at.
* src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
* tests/regression.at (Invalid inputs, Mixing %token styles):
Adjust.

src/main.c

@@ -51,7 +51,6 @@ main (int argc, char *argv[])
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
-  lineno = 0;
   getargs (argc, argv);
 
   if (trace_flag)