In style system, when class name is part of receding class name, the class name is not rendered

Description description

Environment

Experience Manager

Issue/Symptoms

When a class name is part of a receding class name, the class name is not rendered. For example, adding below styles to a text component policy:

Group name = Group

Styles can be combined = check on Styles Style1 = cmp-text__class1 Style2 = class1

Then the rendered HTML does not contain class1.

<div class="text cmp-text__class1 aem-GridColumn aem-GridColumn--default--12"> ... </div>

For Style2 = class2, the rendered HTML contains class2.

Resolution resolution

Since AEM 6.4, current logic checks if a class name is part of preceding class names. Use a BEM-like class name convention so that every class name is unique.

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