Overlay Information in Metasyntax

If you want to give overlay information in metasyntax, for position values you can choose between the decimal and the hexadecimal form. For the values which the overlay values are derived from you additionally have the possibility to choose these values in form of a serial byte string. So there are the following syntax possibilities for overlay information:

"<byteno-dec>:<charactr>," "<byteno-dec>:<hexvalue>," "<byteno-dec>:<decvalue>,"

"<byteno-hex>:<charactr>," "<byteno-hex>:<hexvalue>," "<byteno-hex>:<decvalue>,"

Herein is

’<byteno-dec/-hex>’ a decimal or hexadecimal number of the referred key position
in the interval of 1 to 256 /65,536 /16,777,216
or 1 to100_hex /10000_hex /1000000_hex,
’<charactr>’ any 1 /2 /3 character(s),
’<hexvalue>’ a value in the interval of 0 to FF_hex /FFFF_hex /FFFFFF_hex
consisting of hexadecimal half byte characters of 0 to 9 and A to F,
’<decvalue>’ a decimal value in the interval of 0 to 255 /65,535 /16,777,215.

The ending comma of the last overlay information can be dropped.

Example using decimal position and overlay values:

1:0,00256:00255

Overlay information in metasyntax can be used in overlay datasets or in direct form.