Update links

Author: kdheepak

scripts/panvimdoc.lua

@@ -141,17 +141,20 @@ function Doc(body, metadata, variables)
     add(renderToc(vim_doc_title))
   end
   add(body)
-  local left = header_count .. ". Links"
-  local right = "links"
-  local right_link = string.format("|%s-%s|", stringify(meta.project), right)
-  right = string.format("*%s-%s*", stringify(meta.project), right)
-  local padding = string.rep(" ", 78 - #left - #right)
-  table.insert(toc, { 1, left, right_link })
-  add(string.rep("=", 78) .. "\n" .. string.format("%s%s%s", left, padding, right))
-  add("")
-  for i, v in ipairs(links) do
-    add(i .. ". *" .. v[1] .. "*" .. ": " .. v[2])
+  if #links > 0 then
+    local left = header_count .. ". Links"
+    local right = "links"
+    local right_link = string.format("|%s-%s|", stringify(meta.project), right)
+    right = string.format("*%s-%s*", stringify(meta.project), right)
+    local padding = string.rep(" ", 78 - #left - #right)
+    table.insert(toc, { 1, left, right_link })
+    add(string.rep("=", 78) .. "\n" .. string.format("%s%s%s", left, padding, right))
+    add("")
+    for i, v in ipairs(links) do
+      add(i .. ". *" .. v[1] .. "*" .. ": " .. v[2])
+    end
   end
+  add("Generated by panvimdoc <https://github.com/kdheepak/panvimdoc>")
   add("")
   add("vim:tw=78:ts=8:noet:ft=help:norl:")
   return table.concat(buffer, "\n") .. "\n"