Quote:
Originally Posted by alexk13
As a web programmer, I can shed a bit of light on this issue. It is something to do with the character set that the page is encoded with ... ISO-8859-1 ...
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IIS uses ISO-8859-1 so that is not the reason. The box with '0007' is the way codepoints with no displayable representation are shown.
If the original byte was the two bytes 0007 that is the UTF-8 codepoint for Control-G. It it is the single byte 07 is the ISO-8859-1 or ASCII for Control-G.
However ISO-8859-1 would display 0007 as two boxes with 0000 and 0007
Control-G is supposed to make an audible sound so it appears they are trying to bring attention to themselves. See for example
http://en.wikipedia.org/wiki/Bell_character