do not add icon link for headers with already a link inside

Author: federicobucchi

_plugins/convert-header.rb

@@ -8,13 +8,17 @@ def convert_header(el, indent)
           el_attribute['id'] = generate_id(el.options[:raw_text])
         end
 
-        el_attribute['class'] = "header-with-anchor"
-
-        @toc << [el.options[:level], el_attribute['id'], el.children] if el_attribute['id'] && in_toc?(el)
         level = output_header_level(el.options[:level])
-        format_as_block_html("h#{level}", el_attribute, "#{inner(el, indent)} <a title=\"Permalink for #{inner(el, indent)}\ section\" href=\"##{el_attribute['id']}\">
-          <?xml version=\"1.0\" encoding=\"utf-8\"?> <svg width=\"24px\" height=\"24px\" viewBox=\"0 0 14 14\" role=\"img\" focusable=\"false\" aria-hidden=\"true\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"m 11.58824,9.823529 q 0,-0.294117 -0.20589,-0.499999 L 9.85294,7.794118 q -0.20588,-0.205883 -0.5,-0.205883 -0.30882,0 -0.52941,0.235295 0.0221,0.02206 0.13971,0.136029 0.11764,0.113971 0.15808,0.158088 0.0404,0.04412 0.1103,0.139706 0.0698,0.09559 0.0956,0.1875 0.0257,0.09191 0.0257,0.202206 0,0.294117 -0.20588,0.5 -0.20588,0.205882 -0.5,0.205882 -0.1103,0 -0.20221,-0.02573 Q 8.35293,9.301471 8.25733,9.231621 8.16173,9.161771 8.11763,9.121327 8.07353,9.080887 7.95954,8.963238 7.84557,8.845591 7.82351,8.823533 7.58086,9.051474 7.58086,9.360297 q 0,0.294118 0.20588,0.5 l 1.51471,1.522059 q 0.19853,0.19853 0.5,0.19853 0.29412,0 0.5,-0.191177 l 1.08088,-1.073529 q 0.20589,-0.205883 0.20589,-0.492648 z M 6.41912,4.639706 q 0,-0.294118 -0.20588,-0.5 L 4.69853,2.617647 q -0.20588,-0.205882 -0.5,-0.205882 -0.28677,0 -0.5,0.198529 L 2.61765,3.683823 q -0.20589,0.205883 -0.20589,0.492648 0,0.294117 0.20589,0.499999 l 1.52941,1.529412 q 0.19853,0.19853 0.5,0.19853 0.30882,0 0.52941,-0.227942 Q 5.15437,6.15441 5.03676,6.040441 4.91912,5.92647 4.87868,5.882353 4.83828,5.838233 4.76838,5.742647 q -0.0698,-0.09559 -0.0956,-0.1875 -0.0257,-0.09191 -0.0257,-0.202206 0,-0.294117 0.20588,-0.5 0.20588,-0.205882 0.5,-0.205882 0.1103,0 0.20221,0.02573 0.0919,0.02573 0.1875,0.09559 0.0956,0.06985 0.1397,0.110294 0.0441,0.04044 0.15809,0.158089 Q 6.15443,5.154409 6.17649,5.176467 6.41914,4.948526 6.41914,4.639703 z M 13,9.823529 q 0,0.882353 -0.625,1.492647 l -1.08088,1.07353 Q 10.68382,13 9.80147,13 q -0.88971,0 -1.5,-0.625 L 6.78676,10.852941 Q 6.17647,10.242647 6.17647,9.360294 q 0,-0.904412 0.64706,-1.536764 L 6.17647,7.176471 Q 5.54412,7.82353 4.64706,7.82353 q -0.88235,0 -1.5,-0.617648 L 1.617647,5.676471 Q 1,5.058824 1,4.176471 1,3.294118 1.625,2.683824 L 2.70588,1.610294 Q 3.31618,1 4.19853,1 q 0.88971,0 1.5,0.625 l 1.51471,1.522059 q 0.61029,0.610294 0.61029,1.492647 0,0.904412 -0.64706,1.536764 L 7.82353,6.823529 Q 8.45588,6.17647 9.35294,6.17647 q 0.88235,0 1.5,0.617648 l 1.52941,1.529411 Q 13,8.941176 13,9.823529 z\"/></svg>
-        </a>", indent)
+
+        if el.children.inspect['href']
+          format_as_block_html("h#{level}", el_attribute, inner(el, indent), indent)
+        else
+          el_attribute['class'] = "header-with-anchor"
+          @toc << [el.options[:level], el_attribute['id'], el.children] if el_attribute['id'] && in_toc?(el)
+          format_as_block_html("h#{level}", el_attribute, "#{inner(el, indent)} <a title=\"Permalink for #{inner(el, indent)}\ section\" href=\"##{el_attribute['id']}\">
+            <?xml version=\"1.0\" encoding=\"utf-8\"?> <svg width=\"24px\" height=\"24px\" viewBox=\"0 0 14 14\" role=\"img\" focusable=\"false\" aria-hidden=\"true\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"m 11.58824,9.823529 q 0,-0.294117 -0.20589,-0.499999 L 9.85294,7.794118 q -0.20588,-0.205883 -0.5,-0.205883 -0.30882,0 -0.52941,0.235295 0.0221,0.02206 0.13971,0.136029 0.11764,0.113971 0.15808,0.158088 0.0404,0.04412 0.1103,0.139706 0.0698,0.09559 0.0956,0.1875 0.0257,0.09191 0.0257,0.202206 0,0.294117 -0.20588,0.5 -0.20588,0.205882 -0.5,0.205882 -0.1103,0 -0.20221,-0.02573 Q 8.35293,9.301471 8.25733,9.231621 8.16173,9.161771 8.11763,9.121327 8.07353,9.080887 7.95954,8.963238 7.84557,8.845591 7.82351,8.823533 7.58086,9.051474 7.58086,9.360297 q 0,0.294118 0.20588,0.5 l 1.51471,1.522059 q 0.19853,0.19853 0.5,0.19853 0.29412,0 0.5,-0.191177 l 1.08088,-1.073529 q 0.20589,-0.205883 0.20589,-0.492648 z M 6.41912,4.639706 q 0,-0.294118 -0.20588,-0.5 L 4.69853,2.617647 q -0.20588,-0.205882 -0.5,-0.205882 -0.28677,0 -0.5,0.198529 L 2.61765,3.683823 q -0.20589,0.205883 -0.20589,0.492648 0,0.294117 0.20589,0.499999 l 1.52941,1.529412 q 0.19853,0.19853 0.5,0.19853 0.30882,0 0.52941,-0.227942 Q 5.15437,6.15441 5.03676,6.040441 4.91912,5.92647 4.87868,5.882353 4.83828,5.838233 4.76838,5.742647 q -0.0698,-0.09559 -0.0956,-0.1875 -0.0257,-0.09191 -0.0257,-0.202206 0,-0.294117 0.20588,-0.5 0.20588,-0.205882 0.5,-0.205882 0.1103,0 0.20221,0.02573 0.0919,0.02573 0.1875,0.09559 0.0956,0.06985 0.1397,0.110294 0.0441,0.04044 0.15809,0.158089 Q 6.15443,5.154409 6.17649,5.176467 6.41914,4.948526 6.41914,4.639703 z M 13,9.823529 q 0,0.882353 -0.625,1.492647 l -1.08088,1.07353 Q 10.68382,13 9.80147,13 q -0.88971,0 -1.5,-0.625 L 6.78676,10.852941 Q 6.17647,10.242647 6.17647,9.360294 q 0,-0.904412 0.64706,-1.536764 L 6.17647,7.176471 Q 5.54412,7.82353 4.64706,7.82353 q -0.88235,0 -1.5,-0.617648 L 1.617647,5.676471 Q 1,5.058824 1,4.176471 1,3.294118 1.625,2.683824 L 2.70588,1.610294 Q 3.31618,1 4.19853,1 q 0.88971,0 1.5,0.625 l 1.51471,1.522059 q 0.61029,0.610294 0.61029,1.492647 0,0.904412 -0.64706,1.536764 L 7.82353,6.823529 Q 8.45588,6.17647 9.35294,6.17647 q 0.88235,0 1.5,0.617648 l 1.52941,1.529411 Q 13,8.941176 13,9.823529 z\"/></svg>
+          </a>", indent)
+        end
       end
     end
   end