* I'm sorry, this is my mistake
* This is just contradiction; the developers of VFP have no choice
?islower("ß") && returns .t, but lower("ß") == upper("ß") == "ß"
?islower("ƒ") && returns .t, but lower("ƒ") == upper("ƒ") == "ƒ"
?Strtran("aßz","ß","v", -1, -1, 2) && returns "aVz" , but the result may be "aVz" , because upper("ß") == "ß"
?Strtran("aBz","B","v", -1, -1, 2) && returns "aVz"
?Strtran("aßz","ß","v", -1, -1, 3) && returns "aVz" , but the result may be "aVz", because upper("ƒ") == "ƒ"
?Strtran("aBz","B","v", -1, -1, 3) && returns "aVz"