=== modified file 'print.install'
--- print.install	2010-08-14 11:28:45 +0000
+++ print.install	2010-09-17 00:59:19 +0000
@@ -364,7 +364,7 @@
     $print_display_comment = variable_get('print_display_comment_'. $value->type, 0);
     $print_display_urllist = variable_get('print_display_urllist_'. $value->type, 1);
 
-    $result = db_query('SELECT n.nid, link, comments, url_list from {node} AS n LEFT JOIN {print_node_conf} AS pnc ON n.nid = pnc.nid WHERE type = "%s"', $value->type);
+    $result = db_query("SELECT n.nid, link, comments, url_list from {node} AS n LEFT JOIN {print_node_conf} AS pnc ON n.nid = pnc.nid WHERE type = '%s'", $value->type);
     while ($conf = db_fetch_object($result)) {
       if (($conf->link != NULL) && ($conf->comments != NULL) && ($conf->url_list != NULL)) {
         $conf->link = !$print_display ? 0 : $conf->link;

=== modified file 'print_mail/print_mail.install'
--- print_mail/print_mail.install	2010-08-14 11:28:45 +0000
+++ print_mail/print_mail.install	2010-09-17 00:59:19 +0000
@@ -302,7 +302,7 @@
     $print_mail_display_comment = variable_get('print_mail_display_comment_'. $value->type, 0);
     $print_mail_display_urllist = variable_get('print_mail_display_urllist_'. $value->type, 1);
 
-    $result = db_query('SELECT n.nid, link, comments, url_list from {node} AS n LEFT JOIN {print_mail_node_conf} AS pnc ON n.nid = pnc.nid WHERE type = "%s"', $value->type);
+    $result = db_query("SELECT n.nid, link, comments, url_list from {node} AS n LEFT JOIN {print_mail_node_conf} AS pnc ON n.nid = pnc.nid WHERE type = '%s'", $value->type);
     while ($conf = db_fetch_object($result)) {
       if (($conf->link != NULL) && ($conf->comments != NULL) && ($conf->url_list != NULL)) {
         $conf->link = !$print_mail_display ? 0 : $conf->link;

=== modified file 'print_pdf/print_pdf.install'
--- print_pdf/print_pdf.install	2010-08-14 11:28:45 +0000
+++ print_pdf/print_pdf.install	2010-09-17 00:59:19 +0000
@@ -280,7 +280,7 @@
     $print_pdf_display_comment = variable_get('print_pdf_display_comment_'. $value->type, 0);
     $print_pdf_display_urllist = variable_get('print_pdf_display_urllist_'. $value->type, 1);
 
-    $result = db_query('SELECT n.nid, link, comments, url_list from {node} AS n LEFT JOIN {print_pdf_node_conf} AS pnc ON n.nid = pnc.nid WHERE type = "%s"', $value->type);
+    $result = db_query("SELECT n.nid, link, comments, url_list from {node} AS n LEFT JOIN {print_pdf_node_conf} AS pnc ON n.nid = pnc.nid WHERE type = '%s'", $value->type);
     while ($conf = db_fetch_object($result)) {
       if (($conf->link != NULL) && ($conf->comments != NULL) && ($conf->url_list != NULL)) {
         $conf->link = !$print_pdf_display ? 0 : $conf->link;