Add bin and edit workflow

bin/gems/kramdown-2.5.1/test/testcases/span/01_link/reference.text

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+[isurl]: someurl.html
+ [1]:     otherurl.html
+
+simple [URL][1] and [URL][isurl]
+
+simple [URL] [1] and [URL]
+[isurl]
+
+simple [1][] and [isurl][]
+
+simple [1] and [isurl]
+
+this is [a holy [isurl]]
+
+no [resolution][] here and [here]
+
+with a [break 	 in
+the text]
+
+  [break in the text]: url.html
+
+this not \[isurl] and not [isurl\]
+
+a [Link with_BIG] letters
+
+   [link WITH_big]: letters.html
+                    'This is the title'
+
+bad [no URL] d [isurl]
+
+[no url] invalid.html
+[no url]:
+
+[URL but no title]: invalid.html
+
+   "title"
+
+test [url but no title]
+test [urldef]
+
+[urldef]: some.url 'title"
+
+
+some [with spaces]
+
+[with spaces]: with spaces.html "title"
+
+this [is a 'special' occasion for /all/ of us]
+
+[is a 'special' occasion for /all/ of us]: occasion.html
+
+
+this is [predefined] for [URI]