5.16.1 Empty caption warning

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In a data grid, a column intentionally has no caption, because the cells contain icons, on the customer's request. This forces Mendix to show a 'warning'.  It is possible to 'solve' this by putting in a space!  However, is there a more elegant solution? Thanks in advance.
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3 answers
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You can put a Tab-character in it. That is not displayed. Not so elegant but better than a space, that influences the ui.

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Not that I know of. No @SuppressWarnings or the like. 

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We always juist use a space key.

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