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Duplicated ng-content and *ngTemplateOutlet

Duplicated ng-content and *ngTemplateOutlet

Recently (Angular component with varying appearance) I wrote how to use the same <ng-content> twice in a switch case.

Today I hit upon explanation of this fact in a GitHub issue (https://github.com/angular/angular/issues/22972) and I found another problem.

Namely, it is not possible to display at the same time twice the same <ng-content> even if it is packed inside a <ng-template>. Therefore the following example will not work:

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