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Escaping Standard ASCII Characters |
There are five options available under Standard ASCII characters in the Options window:
| Option | Description |
|---|---|
| Escape characters lower than | The lowest character that will not be escaped. |
| default - escape control characters (0x00..0x1F) | The recommended setting is to escape the control characters that are below 0x20. |
| disabled - standard characters are not escaped | Not recommended. This setting leaves control characters unescaped. |
| escape all standard characters (0x00..0x7F) | Not recommended. Normal ASCII characters will be escaped. |
| custom | Not recommended. An arbitrary value other than the above can be selected. |
Remember that HL7 is an ASCII protocol and messages may consist of only visible ASCII characters. Some of these characters are allocated to be delimiters.
The scope of visible characters for ASCII is from ASCII 0x20 to the character "~". Therefore, the Chameleon engine allows you to configure a different scope of characters allowed to appear in the messages, although most users will probably never have to change this setting.