Duplicate keys in canonical_names

[Avasam]

canonical_names = {
    "circumflex": "^",
    "circumflex": "ˆ",
    "divide": "/",
    "divide": "÷",
    "macron": "¯",
    "macron": "ˉ",
    "minus": "-",
    "minus": "−",
    "mu": "µ",
    "mu": "μ",
    "multiply": "*",
    "multiply": "×",
    "periodcentered": "·",
    "periodcentered": "∙",
    "ssharp": "§",
    "ssharp": "ß",
    "tilde": "~",
    "tilde": "˜",
}