1 files changed, 2 insertions, 0 deletions
diff --git a/src/client/documents/Documents.ts b/src/client/documents/Documents.ts
index 09b45a481..a0149eadf 100644
--- a/src/client/documents/Documents.ts
+++ b/src/client/documents/Documents.ts
@@ -147,6 +147,8 @@ export class DocumentOptions {
     _panY?: NUMt = new NumInfo('vertical pan location of a freeform view');
     _width?: NUMt = new NumInfo('displayed width of a document');
     _height?: NUMt = new NumInfo('displayed height of document');
+    'data-nativeWidth'?: NUMt = new NumInfo('native width of data field contents (e.g., the pixel width of an image)');
+    'data-nativeHeight'?: NUMt = new NumInfo('native height of data field contents (e.g., the pixel height of an image)');
     _nativeWidth?: NUMt = new NumInfo('native width of document contents (e.g., the pixel width of an image)');
     _nativeHeight?: NUMt = new NumInfo('native height of document contents (e.g., the pixel height of an image)');
     _nativeDimModifiable?: BOOLt = new BoolInfo('native dimensions can be modified using document decoration reizers');