make the default MBox start offset be 0, not nil

This makes writing unit tests easier.

diff --git a/lib/sup/mbox/loader.rb b/lib/sup/mbox/loader.rb
index 11b071118c3cf5ad692a02d8fbdd6ad10590090b..c500f363fd3a9680319aaa27d6f24711971925b4 100644 (file)
--- a/lib/sup/mbox/loader.rb
+++ b/lib/sup/mbox/loader.rb
@@ -9,7 +9,7 @@ class Loader < Source
   attr_accessor :labels
 
   ## uri_or_fp is horrific. need to refactor.
-  def initialize uri_or_fp, start_offset=nil, usual=true, archived=false, id=nil, labels=[]
+  def initialize uri_or_fp, start_offset=0, usual=true, archived=false, id=nil, labels=[]
     @mutex = Mutex.new
     @labels = ((labels || []) - LabelManager::RESERVED_LABELS).uniq.freeze