Summary

out of range error in fmt-unicode

Metadata

• Id: f17ab79f7d66420bf7fcf76b5d1345a24c7355a1
• Trac id:
• Type: defect
• Reporter: felix
• Owner:
• Cc:
• Status: new
• Component: extensions
• Estimated difficulty: medium
• Resolution:
• Priority: minor
• Milestone:
• Version: 6.0.0
• Changetime: 2026-07-27 21:16:31 UTC
• Created: 2026-07-27 21:16:31 UTC
• Keywords: fmt

Description

(unicode-char-width #\⟨) (import fmt-unicode) (unicode-char-width #\⟨)

results in

Error: (bytevector-u8-ref) out of range #u8(255 255 255 255 255 255 255 255 255 255 255 255 255 255 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 120 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 254 255 255 255 255 255 31 0 0 0 0 0 0 0 0 0 63 0 0 0 0 0 0 248 255 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 192 255 255 63 0 0 0 0 2 0 0 0 255 255 255 7 0 0 0 0 0 0 0 0 0 0 192 255 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 16 254 33 30 0 12 0 0 0 2 0 0 0 0 0 0 16 30 32 0 0 12 0 0 0 6 0 0 0 0 0 0 16 254 63 0 0 0 0 3 0 6 0 0 0 0 0 0 48 254 33 0 0 12 0 0 0 2 0 0 0 0 0 0 144 14 32 64 0 0 0 0 0 4 0 0 0 0 0 0 0 0 32 0 0 0 0 0 0 0 0 0 0 0 0 0 192 193 255 127 0 0 0 0 0 0 0 0 0 0 0 0 16 64 48 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 124 0 0 0 0 0 0 0 0 0 0 0 242 7 128 127 0 0 0 0 0 0 0 0 0 0 0 0 242 31 0 63 0 0 0 0 0 0 0 0 0 3 0 0 160 2 0 0 0 0 0 0 254 127 223 0 255 255 255 255 255 31 64 0 0 0 0 0 0 0 0 0 0 0 0 224 253 2 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 28 0 0 0 28 0 0 0 12 0 0 0 12 0 0 0 0 0 0 0 128 63 64 254 15 32 0 0 0 0 0 56 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 135 1 4 14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 255 31 226 7) 1181

Call history:

csi.scm:414: ##sys#call-with-values	  
csi.scm:414: eval	  
<stdin>:8	  (unicode-char-width #\⟨)
<stdin>:8	  (unicode-char-width #\⟨)	<--