\function .rest-names() [<params-var>jsonindexes[]]
\function .rest-values() [.rest-names[]] :map[<params-var>jsonget<currentTiddler>]

\widget $link()
  <$parameters
    to=""
    tooltip=""
    $params="params-var"
  >
    <$let newtooltip={{{ [<tooltip>!is[blank]] ~[<to>get[description]] }}}>
      <$genesis
        $type="$link"
        $remappable="no"
        $names="[.rest-names[]] =tooltip"
        $values="[.rest-values[]] =[<newtooltip>]"
      >
        <$slot $name="ts-raw"/>
      </$genesis>
    </$let>
  </$parameters>
\end

[[Links]] and <$link to=Tags tooltip="I love tags!">Tags</$link> combine to organize [[Tiddlers]] within a wiki.

Here's an example of a link using a parameter we didn't touch, `class`, which gets saved correctly:

<$link to="Fields" class="tc-tiddlylink-external">I'm posing as external</$link>

Links and Tags combine to organize Tiddlers within a wiki.

Here's an example of a link using a parameter we didn't touch, class, which gets saved correctly:

I'm posing as external