Need External Tag for DITA tags without them being structure

We have been asked to make some of our DTA tags "external" by our translator (as they are merging with another DITA tag. 

For example, we would like <entry><uicontrol>Maintenance</uicontrol></entry> to have the <uicontrol> tags converted to placeholders and appear as "{1}Maintenance{2}". If it were written like this <entry>Maintenance</entry> it would appear as "Maintenance". For segments where the tag is inline, we would like to keep it as is, <p>To do access such and such feature, select <uicontro>Maintenance</uicontrol> on the home page.</p> to appear as "To access such and such feature, select {1}Maintenance{2} on the home page.". 

We are using WorldServer version 11.3. 

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