I'm using the Editor in a form along with several other inputs (e.g. TextBox, NumericTextBox).

If the user enters an invalid value for the other inputs, they get a red border. The Editor, however, does not have such a border when its value is invalid and thus the form elements are not consistent. Please add a red border for the invalid state of the Editor, too.

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ADMIN EDIT

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At this stage, the Editor is not treated as a standard input and it does not support all of the input's capabilities - such as invalid state, disabled state, sizing, fill and more.

The current request may potentially be part of a bigger design story that strives to align the Editor's functionalities with the rest of the inputs ( TextBox, NumericTextBox and more).

The content area of the Editor currently has a "k-invalid" class when the value is not valid. As a workaround for the time being, you may add a red border with CSS: https://blazorrepl.telerik.com/mSvmFglg25NXJw7K05.