[PATCH 10/12] doc: asciidoctor: improve string handling

[Felipe Contreras <felipe.contreras@xxxxxxxxx>]

Using printf style formatting (more familiar to git developers), and
also here document.

Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
---
 Documentation/asciidoctor-extensions.rb | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/Documentation/asciidoctor-extensions.rb b/Documentation/asciidoctor-extensions.rb
index a678704e17..eb2326d05a 100644
--- a/Documentation/asciidoctor-extensions.rb
+++ b/Documentation/asciidoctor-extensions.rb
@@ -7,20 +7,20 @@ Asciidoctor::Extensions.register do
   inline_macro :linkgit do
     if doc.doctype == 'book'
       process do |parent, target, attrs|
-        "<ulink url=\"#{target}.html\">" \
-        "#{target}(#{attrs[1]})</ulink>"
+        '<ulink url="%1$s.html">%1$s(%2$s)</ulink>' % [target, attrs[1]]
       end
     elsif doc.basebackend? 'html'
       prefix = doc.attr('git-relative-html-prefix')
       process do |parent, target, attrs|
-        %(<a href="#{prefix}#{target}.html">#{target}(#{attrs[1]})</a>)
+        %(<a href="#{prefix}%1$s.html">%1$s(%2$s)</a>) % [target, attrs[1]]
       end
     elsif doc.basebackend? 'docbook'
       process do |parent, target, attrs|
-        "<citerefentry>\n" \
-          "<refentrytitle>#{target}</refentrytitle>" \
-          "<manvolnum>#{attrs[1]}</manvolnum>\n" \
-        "</citerefentry>"
+        <<~EOF % [target, attrs[1]]
+        <citerefentry>
+        <refentrytitle>%s</refentrytitle><manvolnum>%s</manvolnum>
+        </citerefentry>
+        EOF
       end
     end
   end
-- 
2.31.1