Assertion: scheme's implementation | /r/CapableOf | support alternative conventions
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Source sentences:
text: Numerous implementations have supported alternative conventions permitting comments to extend for more than a single line, and the R6RS standard permits two of them: an entire s-expression may be turned into a comment (or "commented out") by preceding it with #; (introduced in SRFI 62) and a multiline comment or "block comment" may be produced by surrounding text with #| and |# .