X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/adns/blobdiff_plain/a79ac5bae05711d622671eacfbafd19a5a94ae3c..b6300f5d76539c4f09df6880a7afdc48fe05505c:/src/parse.c

diff --git a/src/parse.c b/src/parse.c
index 9a4e0c7..59fe7b5 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -35,13 +35,12 @@ int vbuf__append_quoted1035(vbuf *vb, const byte *buf, int len) {
     qbuf[0]= 0;
     for (i=0; i<len; i++) {
       ch= buf[i];
-      if (ch == '.' || ch == '"' || ch == '(' || ch == ')' ||
-	  ch == '@' || ch == ';' || ch == '$' || ch == '\\') {
-	sprintf(qbuf,"\\%c",ch);
-	break;
-      } else if (ch <= ' ' || ch >= 127) {
+      if (ch <= ' ' || ch >= 127) {
 	sprintf(qbuf,"\\%03o",ch);
 	break;
+      } else if (!ctype_domainunquoted(ch)) {
+	sprintf(qbuf,"\\%c",ch);
+	break;
       }
     }
     if (!adns__vbuf_append(vb,buf,i) || !adns__vbuf_append(vb,qbuf,strlen(qbuf)))