page 1: Why is there a colon after "Background", but not after 
everything else?

page 2: "new form" --> "newform", "eigen form" --> "eigenform"
   "eigen" is not an English word, but "eigenform" is an English
   word, in the sense that it appears in technical math dictionaries. 

page 2: Why ask the question only for ell>2? Doesn't the QUESTION
   make sense even when ell=2?	

page 2: Explain why you call exception the situation where the
   image is A_4, S_4, or A_5!   Why isn't dihedral also exceptional?
   Why not other groups??? 

page 2: The line breaks in the reminder are weird.  Why isn't "there"
   on the first line?

page 2: In Reminder: You haven't said what k is.  It sounds like modular
   demands that the weight be k--but what is k. 

page 3: I would put a zero in the lower left corner.
    Space before the line "Where chi is the..."

page 4: What is "Li"?  What is eta?

... skip proof; I don't have enough time to read it now.

Example 3:  Why do you only say "expected"?  Is it not known, due to work
    of Mestre?