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elofgren: Add needed isset($_GETshowtemplate?) to SSViewer_FromString::process() to prevent errors when sending a newsletter draft.
(merged from branches/gsoc) git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@41937 467b73ca-7a2a-4603-9d3b-597d59a354a9
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@ -340,7 +340,7 @@ class SSViewer_FromString extends SSViewer {
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fwrite($fh, $template);
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fclose($fh);
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if(isset($_GET['showtemplate'])) {
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if(isset($_GET['showtemplate']) && $_GET['showtemplate']) {
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$lines = file($tmpFile);
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echo "<h2>Template: $tmpFile</h2>";
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echo "<pre>";
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