rpt_unit set to quoted text

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@3169 ee4ac58c-ac51-4696-9907-e4b3aa274f04

etc/qualifier_types

@@ -82,7 +82,7 @@ replace          no         "text"
 rpt_family       no         "text"
 rpt_type         no         list    TANDEM INVERTED FLANKING TERMINAL DIRECT \
                                     DISPERSED OTHER
-rpt_unit         no         location
+rpt_unit         no         "text"
 segment          no         "text"
 sequenced_mol    no         "list"  "cDNA" "cDNA to genomic RNA" \
                                     "cDNA to mRNA" "cDNA to other RNA" \