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?\ followed by EOF wrongly parsed as empty string node #3144

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tompng opened this issue Oct 5, 2024 · 0 comments · Fixed by #3146
Closed

?\ followed by EOF wrongly parsed as empty string node #3144

tompng opened this issue Oct 5, 2024 · 0 comments · Fixed by #3146

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@tompng
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tompng commented Oct 5, 2024

?\ ?\C-\ ?\M-\ ?\M-\C-\ followed by EOF are parsed as empty string

codes = <<~'RUBY'.split("\n")
  ?\
  ?\c\
  ?\C-\
  ?\M-\C-\
RUBY
p codes.map { eval _1 }
#=> ["", "", "", "", ""]
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Fix up errors on invalid escape character syntax ruby/prism
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@tompng