deletions | additions       diff --git a/layout.md b/layout.md  index 269ecd5..51fd00b 100644  --- a/layout.md  +++ b/layout.md 
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p_a_href_https_www__.html  p_a_href_https_www__1.html  p_nbsp_a_href_http__.html  p_a_href_http_mathworld__.html