against a variety of schema languages, including RELAX NG. Uses
Москвичи бросились скупать резиновые сапогиСпрос на резиновые сапоги в столичном регионе вырос в 16 раз после потепления
，更多细节参见爱思助手
This approach could be used with any REPL environment. Code cells could be different languages/runtimes that execute independently. We could even go a step further and create an IPC layer between these language runtimes to create polyglot notebooks.
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