Update/add comments explaining the purpose of while(!Serial) in examples #215
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The previous comments (where they existed) only mentioned Leonardo but there are other boards with native USB. Fixes a regression of an issue previously reported/fixed at arduino/Arduino#3786, and expands it to the other two Language Reference pages that use while(!Serial) in their examples.
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The previous comments (where they existed) only mentioned Leonardo but there are other boards with native USB.
Fixes a regression of an issue previously reported/fixed at arduino/Arduino#3786, and expands it to the other two Language Reference pages that use while(!Serial) in their examples.