1.41.5:
-------
   * Fix accidental deletion of extended properties.

[1.41.4 not backported]

1.41.3:
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    * Add missing English language constant.

1.38:
-----
    * Fixed preview of extended properties by 1.37
    * Added some parameters for requirement

1.37:
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    * Added image preview to extended properties if value is image format (Don Chambers)
