Lets \n to be present in <pre> tag. solves xijo#77

lib/reverse_markdown/converters/text.rb

@@ -48,7 +48,7 @@ def remove_border_newlines(text)
       end
 
       def remove_inner_newlines(text)
-        text.tr("\r\n\t", ' ').squeeze(' ')
+        text.tr("\r\t", ' ').squeeze(' ')
       end
 
       def preserve_keychars_within_backticks(text)

spec/lib/reverse_markdown/converters/pre_spec.rb

@@ -12,10 +12,15 @@
       expect(converter.convert(node)).to include "    puts foo\n"
     end
 
-    it 'preserves new lines' do
+    it 'preserves new lines as <br>' do
       node = node_for("<pre>one<br>two<br>three</pre>")
       expect(converter.convert(node)).to include "\n\n    one\n    two\n    three\n\n"
     end
+
+    it 'preserves new lines as <br> and \n' do
+      node = node_for("<pre>one\ntwo\nthree<br>four</pre>")
+      expect(converter.convert(node)).to include "\n\n    one\n    two\n    three\n    four\n\n"
+    end
 
     it 'handles code tags correctly' do
       node = node_for("<pre><code>foobar</code></pre>")
@@ -41,6 +46,11 @@
       expect(converter.convert(node)).to include "```\nfoo\nbar\n```"
     end
 
+    it 'preserves new lines as <br> and \n' do
+      node = node_for("<pre>one\ntwo\nthree<br>four</pre>")
+      expect(converter.convert(node)).to include "```\none\ntwo\nthree\nfour\n```"
+    end
+
     it 'handles code tags correctly' do
       node = node_for("<pre><code>foobar</code></pre>")
       expect(converter.convert(node)).to include "```\nfoobar\n```"