diff --git a/src/main.c b/src/main.c index 211b932..2508a7f 100644 --- a/src/main.c +++ b/src/main.c @@ -138,6 +138,8 @@ static void parse_preamble(struct parser *p) { } fprintf(p->output, "\n"); break; + } else { + parser_fatal(p, "Name characters must be A-Z, a-z, 0-9, `-`, `_`, or `.`"); } } str_free(name);