occurrence search: suppress message on recognised synonyms when strings identical

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What steps will reproduce the problem?
1. Open the occurrence search interface
2. Run a search on Scientific Name = Bacillariophyta

Under the search box, the following three messages appear:
Warnings
    * Bacillariophyta is a recognised synonym of Bacillariophyta. This
search will find records for both Bacillariophyta and Bacillariophyta.
    * Bacillariophyta is a recognised synonym of Bacillariophyta. This
search will find records for both Bacillariophyta and Bacillariophyta.
    * Bacillariophyta is a recognised synonym of Bacillariophyta. This
search will find records for both Bacillariophyta and Bacillariophyta.

This is caused by the fact that there are several different existing
classifications of this taxon. However, as the name string is identical for
all these classifications, the message is superflous and confusing for users.

In terms of functionality, the search should still be extended to all these
concepts. Any message, however, that refers two identical string values for
the taxon name should be suppressed in the display.

Original issue reported on code.google.com by ah...@gbif.org on 18 Jan 2010 at 4:15

[GoogleCodeExporter]

Original comment by josecua...@gmail.com on 10 May 2010 at 7:59

[GoogleCodeExporter]

Identical scientific names are suppressed in the warnings display in revision 
r103.
Anyway in the relationship_assertion table these taxons still being related as 
synonyms.

Original comment by daniel.amariles88 on 13 May 2010 at 4:42

• Changed state: Fixed

[GoogleCodeExporter]

null value is checked in revision r104  

Original comment by daniel.amariles88 on 14 May 2010 at 2:00

[GoogleCodeExporter]

Verified and committed to the trunk at r112

Original comment by josecua...@gmail.com on 14 May 2010 at 3:10

• Changed state: Verified