Editing Template:Refn/doc (section)

===Usage===
{{tld|refn|2=group=groupname|3=name=name|4=Contents of the footnote|allowlinebreak=yes}}

:* '''groupname''': Groupname per [[w:WP:REFGROUP|WP:REFGROUP]]; if not specified, then the main and nested references will be rendered into the same reference list
:* '''name''': Reference name per [[w:WP:REFNAME|WP:REFNAME]]

Names for footnotes and groups must follow these rules:
* Names are case-sensitive
* Names MUST NOT be purely numeric; they should have semantic value so that they can be more easily distinguished from each other by human editors.
* Names must be unique—you may not use the same name to define different groups or footnotes
* Quotation marks are optional if the only characters used are letters <code>A–Z</code>, <code>a–z</code>, digits <code>0–9</code>, and the symbols <code>! $ % & ( ) * , - . : ; < @ [ ] ^ _ ` { | } ~</code>.
** The forbidden printable ASCII characters are <code> # " ' / = > ? \ </code>.
* Inclusion of any other characters, {{em|including spaces}}, requires that the reference name be enclosed in quotes: <code>name="<var>John Smith</var>"</code>.
* The quote marks must be the standard straight keyboard marks (<code>"</code>); curly or other quotes will be parsed as part of the reference name.
* Quote-enclosed reference names may not include a less-than sign (<code><</code>) or a double straight quote symbol (<code>"</code>). These may be escaped with <code>&amp;lt;</code> and <code>&amp;quot;</code>, respectively.
* Please consider keeping reference names simple and restricted to the standard [[English alphabet]] and numerals.
* You may optionally provide reference names even when the reference name is not required. This makes later re-use of the sourced reference easier.