Creates a CRAM-MD5 challenge. You can view more information on CRAM-MD5 on Wikipedia: en.wikipedia.org/wiki/CRAM-MD5
for cleanup old bundler files
Nonsymmetric reduction from Hessenberg to real Schur form.
Iterates through the children, yielding for each Element
that has a particular text set.
the text to search for. If nil, or not supplied, will iterate over all Element
children that contain at least one Text
node.
(optional) causes this method to return after yielding for this number of matching children
(optional) if supplied, this is an XPath
that filters the children to check.
doc = Document.new '<a><b>b</b><c>b</c><d>d</d><e/></a>' # Yields b, c, d doc.each_element_with_text {|e|p e} # Yields b, c doc.each_element_with_text('b'){|e|p e} # Yields b doc.each_element_with_text('b', 1){|e|p e} # Yields d doc.each_element_with_text(nil, 0, 'd'){|e|p e}