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@ -51,7 +51,7 @@ character that would need escaping inside a Racket string is
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@litchar{"}.}
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If we needed to match the character @litchar{.} itself, we can escape
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it by precede it with a @litchar{\}. The character sequence
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it by preceding it with a @litchar{\}. The character sequence
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@litchar{\.} is thus a @tech{metasequence}, since it doesn't match
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itself but rather just @litchar{.}. So, to match @litchar{a},
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@litchar{.}, and @litchar{c} in succession, we use the regexp pattern
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