(b byte)
| 17 | ) |
| 18 | |
| 19 | func isASCIILetter(b byte) bool { |
| 20 | b |= 0x20 // make lower case |
| 21 | return 'a' <= b && b <= 'z' |
| 22 | } |
| 23 | |
| 24 | // TODO: This should be a distinguishable error (ErrMessageTooLarge) |
| 25 | // to allow mime/multipart to detect it. |
no outgoing calls
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