This element is always suppressed when the article is published. It may be added by taggers to prompt a later action, or by processing software to indicate which processes have been run (hopefully including the version number of the software).

Typically, this element will be used within the <meta> element, though it may be use in various other locations, such as between paragraphs:

<para>good paragraph.</para>
<comment>Fix the paragraph below!...</comment>
<para>Corrrrrupted text in thisssss paragraph</para>

The elements listed below may directly contain this element. They are "parent" elements. Elements in referenced groups are included, up to two levels of group nesting.

Parent elements: <meta> <biography> <relatedarticle> <abstract> <extract> <listitem> <definition> <supplementmaterial> <footnote>

- (via "Section Mixture" group: <intro> <section1> <section2> <section3> <section4> <section5> <summary> <ackno> <notesaddedinproof> )

The DTD model for this element:

 (only text allowed) 

The DTD contains the following element and attribute definitions (note that embedded links are to definitions within the DTD page of this guide):

<!ELEMENT comment                        (#PCDATA)>

Defined in DTD section Metadata : Article Metadata : Author Details