Sync format_buffer code

c-historico/handler.cr

@@ -6,16 +6,17 @@ require "json"
 require "uuid"
 
 class Handler
-  def format_buffer(buffer, canvas_name)
+  def format_buffer(buffer, canvas_name, title)
     # Process the gnuplot output so it works in the page
     #
     # buffer is the Ishi output
     # name is a string to replace for gnuplot_canvas so
-    # we can have multiple charts in a page
+    #      we can have multiple charts in a page
+    # title is added on top of the chart
 
     html = buffer.to_s.split("\n")
     html = html[html.index("<script type=\"text/javascript\">")..html.index("</script>")]
-    html = html.join("\n") + %(
+    html = "<b>#{title}</b>" + html.join("\n") + %(
     <div class="gnuplot">
     <canvas id="Tile" width="32" height="32" hidden></canvas>
     <table class="plot">