documentation: add tutorial for first contribution

diff --git a/Documentation/asciidoctor-extensions.rb b/Documentation/asciidoctor-extensions.rb
index ec83b4959eb4d8b278ca6e769cbbaca0cba7cb06..0089e0cfb80df9a283b220ba4187e38f5612557d 100644 (file)
--- a/Documentation/asciidoctor-extensions.rb
+++ b/Documentation/asciidoctor-extensions.rb
@@ -11,12 +11,12 @@ module Git
       def process(parent, target, attrs)
         if parent.document.basebackend? 'html'
           prefix = parent.document.attr('git-relative-html-prefix')
-          %(<a href="#{prefix}#{target}.html">#{target}(#{attrs[1]})</a>\n)
+          %(<a href="#{prefix}#{target}.html">#{target}(#{attrs[1]})</a>)
         elsif parent.document.basebackend? 'docbook'
           "<citerefentry>\n" \
             "<refentrytitle>#{target}</refentrytitle>" \
             "<manvolnum>#{attrs[1]}</manvolnum>\n" \
-          "</citerefentry>\n"
+          "</citerefentry>"
         end
       end
     end