[Solr Wiki] Trivial Update of "HighlightingParameters" by Npowell

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The following page has been changed by Npowell:
http://wiki.apache.org/solr/HighlightingParameters

The comment on the change is:
Added a link to the snippets option section pointing to the override howto sect.

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  Solr provides a collection of [http://lucene.apache.org/solr/docs/api/org/apache/solr/util/HighlightingUtils.html Highlighting Utilities] which can be reused by various Request Handlers to include "highlighted" matches in field values. Both the StandardRequestHandler and the DisMaxRequestHandler currently use these utilities, and support the following parameters.
  
- Some parameters may be overriden on a per-field basis with the following syntax:
+ [[Anchor(HowToOverride)]]Some parameters may be overriden on a per-field basis with the following syntax:
  
     `f.<fieldName>.<originalParam>=<value>`
  
@@ -26, +26 @@

  
  == hl.snippets ==
  
- The maximum number of highlighted snippets to generate per field.  Note: it is possible for any number of snippets from zero to this value to be generated.  This parameter accepts per-field overrides.
+ The maximum number of highlighted snippets to generate per field.  Note: it is possible for any number of snippets from zero to this value to be generated.  This parameter accepts per-field [#HowToOverride overrides].
  
  The default value is "`1`".