Annex B (normative) Compatibility features [depr]

B.1 General [depr.general]

This Clause describes features of this document that are specified for compatibility with existing implementations.

These are deprecated features, where deprecated is defined as: Normative for the current edition of this document, but having been identified as a candidate for removal from future revisions. An implementation may declare library names and entities described in this section with the deprecated attribute ( ISO/IEC 14882:2014 §[dcl.attr.deprecated]).