Mon, 01 May 2023 22:47:51 +0200 wenzelm clarified extern vs. alias/hide: output alternative names, if possible;
Mon, 01 May 2023 22:19:01 +0200 wenzelm tuned;
Mon, 01 May 2023 13:09:53 +0200 wenzelm minor performance tuning: more compact, more sharing;
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