Microsoft Excel: Down with the letter "F"
Faced an interesting situation in Excel, the explanation of which could not find
When you try to enter the letter "F" (in upper case) in the name of the sheet, nothing happens. At the same time, the letter "g" (in lower case) is quite normally entered. I tried in the English layout to drive a character that is on the same button (the symbol ":") and Excel again refused.
He is interested in what place the character filter was programmed, which processes not the code of the entered character, but a certain combination of keys for which the keyboard layout is not at all taken into account.
ps The experiment was conducted on Excel 2007
When you try to enter the letter "F" (in upper case) in the name of the sheet, nothing happens. At the same time, the letter "g" (in lower case) is quite normally entered. I tried in the English layout to drive a character that is on the same button (the symbol ":") and Excel again refused.
He is interested in what place the character filter was programmed, which processes not the code of the entered character, but a certain combination of keys for which the keyboard layout is not at all taken into account.
ps The experiment was conducted on Excel 2007
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Source: https://habr.com/ru/post/81600/
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