METASEARCH -- special search of meta data

• Syntax: %METASEARCH{...}%
• Supported parameters:

  Parameter:	Description:	Default:
  web="%WEB%"	Wiki web to search: A web, a list of webs separated by whitespace, or all webs.	Current web
  type="..."	Type of search: • "topicmoved" - search for a topic that may have been moved. • "parent" - search for topics that have a specific parent i.e. its children. • "field" - search for topics that have a particular form field value (use the name and value parameters to specify which field to search).	Required
  topic="%TOPIC%"	The topic the search relates to.	Current topic
  title="Title"	Text that is prefixed to any search results.	"" (empty)
  separator="..."	Separator between search hits.	"$n" (newline)
  value="..."	form field value, for type="field" searches. May be a regular expression (see SEARCH).
  name="..."	form field to search, for type="field" searches. May be a regular expression (see SEARCH).
  default="none"	Default text shown if no search hit.	"" (empty)
  format="..."	Custom format of each search hit. Supports same format strings as SEARCH. See FormattedSearch for usage, variables & examples	"$topic"

• Example: %METASEARCH{type="topicmoved" web="%WEB%" topic="%TOPIC%" title="This topic used to exist and was moved to: "}%
• Example: You may want to use this in WebTopicViewTemplate and WebTopicNonWikiTemplate:
  %METASEARCH{type="parent" web="%WEB%" topic="%TOPIC%" title="Children: "}%
• Example: %METASEARCH{type="field" name="Country" value="China"}%
• Note: METASEARCH is deprecated in favor of the much more powerful query type search. See SEARCH and QuerySearch.
• Category: SearchingAndListingVariables, SystemInformationVariables
• Related: CHILDREN, EDITFORM, EDITFORMFIELD, FORM, FORMFIELD, META, PARENTTOPIC, SEARCH