parse_news_header() now detects and properly-imports folded header fields

(e.g. MIME "Content-type").

exec/load/newsutil.js

@@ -52,6 +52,16 @@ function write_news_header(hdr,writeln)
 function parse_news_header(hdr, line)
 {
 	/* Parse header lines */
+	if(line.charAt(0)==' ' || line.charAt(0)=='\t' && hdr.field_list) {
+		/* "folded" header field */
+		hdr.field_list.push(
+			{	type: RFC822HEADER, 
+				data: line
+			}
+		);
+		return;
+	}
+
 	if((sp=line.indexOf(':'))==-1)
 		return;