[dw-free] In mobile view, display first line of post when subject is empty

[fu]

[commit: http://hg.dwscoalition.org/dw-free/rev/4d888be3cc91]

http://bugs.dwscoalition.org/show_bug.cgi?id=2829

If all else fails, display "(no subject)" (e.g., entry containing only an
image)

Patch by fu.

Files modified:

• htdocs/mobile/read.bml

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diff -r 03201efd6296 -r 4d888be3cc91 htdocs/mobile/read.bml
--- a/htdocs/mobile/read.bml	Fri Dec 30 04:59:07 2011 +0000
+++ b/htdocs/mobile/read.bml	Fri Dec 30 16:33:08 2011 +0800
@@ -102,6 +102,9 @@
             $subject .= "..." if $truncated;
         }
 
+        # say the entry was all HTML, and we thus have nothing, one more fallback
+        $subject ||= "(no subject)";
+
         $ret .= "$who: " . "<a href='$url'>$subject</a><br />";
     }
     
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