I think the change in @SetFontStyle@ can be ommitted and fixing only @SetFont@ is enough. What do you think?

<pre><code class="diff">
diff --git a/lib/redmine/export/pdf.rb b/lib/redmine/export/pdf.rb
index c8189367b..85beb8bdb 100644
--- a/lib/redmine/export/pdf.rb
+++ b/lib/redmine/export/pdf.rb
@@ -52,6 +52,7 @@ module Redmine
end

def SetFont(family, style='', size=0, fontfile='')
+ style = +style
# FreeSerif Bold Thai font has problem.
style.delete!('B') if family.to_s.casecmp('freeserif') == 0
# DejaVuSans Italic Arabic and Persian font has problem.
</code></pre>
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you're right
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Committed the patch. Thank you.
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