Avoid StringIndexOutOfBoundException #2309
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This fixes antlr#2138 (comment). Clearly it's been an oversight, since the same code has been fixed for CodePoint8Bit in this commit: antlr@ac9f753
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Hi. Can you help me to understand these changes in the code? I'm not very familiar with the UTF-16 stuff. thanks! Oh, I see. There is a similar code fragment elsewhere in the same file. Hmm...I'll compare. |
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This fixes #2138 (comment).
Clearly it's been an oversight, since the same code has been fixed for CodePoint8Bit in this commit: ac9f753