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XXX is also easy to recognize visually in printed text. It stands out well and through convention it has become clearly recognizable as such a placeholder.
by evgen 10y ago
XXX is also easy to recognize visually in printed text. It stands out well and through convention it has become clearly recognizable as such a placeholder.
- mikerg87 10y agoI first saw as a it in drafts of memos and reports when such items were circulated on paper through cubby holes. This was Long before I saw it applied to source code - say '73-75 time frame.