build_post should prepend Re: for replies.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/build_post.php b/src/build_post.php
index 9039dcb..d889b92 100644
--- a/src/build_post.php
+++ b/src/build_post.php
@@ -1,6 +1,6 @@
 <?php
 
-function build_post_subject($listtag, $forumtag, $subject) {
+function build_post_subject($listtag, $forumtag, $subject, $reply) {
   // strip the '[list]' and '[forum]' tags
   $tagpat = '/(' . preg_quote($listtag, '/') .
              '|' . preg_quote($forumtag, '/') . ')\\s*/';
@@ -18,6 +18,10 @@ function build_post_subject($listtag, $forumtag, $subject) {
     $subject = '(no subject)';
   }
 
+  if ($reply) {
+    $subject = 'Re: ' . $subject;
+  }
+
   return $subject;
 }