See 
CommentPlugin
  Default 
Default comment output 1
-- 
ProjectContributor - 26 Nov 2006
Default comment output 2
-- 
ProjectContributor - 26 Nov 2006
%COMMENT{}%
  top 
%COMMENT{type="top"}%
  bottom 
%COMMENT{type="bottom"}%
  above 
Above comment output 1
-- 
ProjectContributor - 26 Nov 2006
Above comment output 2
-- 
ProjectContributor - 26 Nov 2006
%COMMENT{type="above"}%
  below 
%COMMENT{type="below"}% 
 
  bulletabove 
Example with 
inputsize="20":
 
-  Bullet above comment output 1
  -  Bullet above comment output 2
 
 
%COMMENT{type="bulletabove" inputsize="20"}%
  threadmode 
Threadmode comment output 1
-- 
ProjectContributor - 26 Nov 2006
Threadmode comment output 2
-- 
ProjectContributor - 26 Nov 2006
%COMMENT{type="threadmode"}%
  belowthreadmode 
%COMMENT{type="belowthreadmode"}%
Belowthreadmode comment output 2
Belowthreadmode comment output 1
  tableprepend 
%COMMENT{type="tableprepend"}%
  tableappend 
%COMMENT{type="tableappend"}%
  after 
  
%COMMENT{type="after"}%
  action 
(requires 
Foswiki:Extensions/ActionTrackerPlugin)
%ACTION{ due="1-Dec-2007" creator="Main.ProjectContributor" uid="000001" state="open" created="26-Nov-2006" who="Main.ProjectContributor" }% <<EOF
Action comment output 1
- Created by 
ProjectContributor, 26 Nov 2006 - 10:58
EOF
%ACTION{ due="1-Jan-2008" creator="Main.ProjectContributor" uid="000003" state="open" created="26-Nov-2006" who="Main.ProjectContributor" }% <<EOF
Action comment output 2
- Created by 
ProjectContributor, 26 Nov 2006 - 10:58
EOF
%COMMENT{type="action"}%
  table 
%COMMENT{type="table"}%
  toctalk 
  26 Nov 2006 - 00:45 ProjectContributor: Toctalk output summary 1 
Toctalk output message 1
  26 Nov 2006 - 11:09 ProjectContributor: Toctalk output summary 2 
Toctalk output message 2
%COMMENT{type="toctalk"}%
  bookmark 
  
%COMMENT{type="bookmark"}%
  return 
Post to a different topic and return to here. In this example comments are written to 
CommentPluginExampleComments.
Comments:
Target comment output 1
-- ProjectContributor - 03 Dec 2006
Target comment output 2
-- ProjectContributor - 03 Dec 2006
%COMMENT{type="return" target="Sandbox.CommentPluginExampleComments"}% 
Example of a custom form to save a comment to a new or existing topic. If topic is created, the parent will not be set..
  templatetopic 
Example of a form definition in a topic. The comment template is located in 
CommentPluginTemplateExample.
ProjectContributor - 08 Apr 2007:
templatetopic example comment output 1
%COMMENT{noform="on" type="example" templatetopic="Sandbox.CommentPluginTemplateExample" target="CommentPluginExamples" button="Add comment" }%