data/sample.lua: use `next` instead of for loop

Each definition list item contains just a single key and the associated
value.  Using `next` to get the key/value pair is more idiomatic than
iterating over the single-element table.

1 files changed, 3 insertions, 4 deletions

diff --git a/data/sample.lua b/data/sample.lua
index dd90af29d..6c09442b5 100644
--- a/data/sample.lua
+++ b/data/sample.lua
@@ -245,10 +245,9 @@ end
 function DefinitionList(items)
   local buffer = {}
   for _,item in pairs(items) do
-    for k, v in pairs(item) do
-      table.insert(buffer,"<dt>" .. k .. "</dt>\n<dd>" ..
-                        table.concat(v,"</dd>\n<dd>") .. "</dd>")
-    end
+    local k, v = next(item)
+    table.insert(buffer, "<dt>" .. k .. "</dt>\n<dd>" ..
+                   table.concat(v, "</dd>\n<dd>") .. "</dd>")
   end
   return "<dl>\n" .. table.concat(buffer, "\n") .. "\n</dl>"
 end