plsesc: Set the escape character for text strings

`plsesc`: Set the escape character for text strings
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`plsesc`: Set the escape character for text strings

plsesc ( esc );

Set the escape character for text strings. From C (in contrast to Fortran, see plsescfortran) you pass esc as a character. Only selected characters are allowed to prevent the user from shooting himself in the foot (For example, a “\” isn't allowed since it conflicts with C's use of backslash as a character escape). Here are the allowed escape characters and their corresponding decimal ASCII values:

“!”, ASCII 33
“#”, ASCII 35
“$”, ASCII 36
“%”, ASCII 37
“&”, ASCII 38
“*”, ASCII 42
“@”, ASCII 64
“^”, ASCII 94
“~”, ASCII 126

esc (char, input): Escape character.

Redacted form:

General: plsesc(esc)

This function is used in example 29.

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