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Limitations of Normalization

alphabets used in the Greek, Cyrillic, and Latin scripts respectively. Unicode Normalization will not fold these characters together.

Examples of identical or confusable appearance can appear - even within a single script. Some examples of this include U+08A1 ࢡ, the character sequences - U+17D2 U+178F (្ស) and U+17D2 U+178A (្ដ) in Khmer, - digraphs such as U+0133 ij (versus individual letters ij in sequence), as well as more familiar - if somewhat less "identical-looking" spoofs such as l vs. 1 or O and 0. + even within a single script. Some examples of this include: +

Characters that are identical or 'confusable' in appearance can present spoofing and other security risks. This can be true within a single script or for similar characters in separate scripts. For a