Error
Create a new NotWellFormedError for an error at line in element. If a block is given the return value of the block ends up in the error message.
# File rss/parser.rb, line 15
def initialize(line=nil, element=nil)
message = "This is not well formed XML"
if element or line
message << "\nerror occurred"
message << " in #{element}" if element
message << " at about #{line} line" if line
end
message << "\n#{yield}" if block_given?
super(message)
end