Arguments

symbolName  (string) the name to ve verified as suitable as a SymbolTableRecord name
flag  (integer, optional) specifies how the vertical bar character  is handled : 0 disallows, 1 allows this character

Return

T or NIL

Example

Remarks

these characters are not allowed inside a SymbolTableRecord name :
< > / \ " : ? * , = ` ;
a vertical bar | is always disallowed as the first or the last character;
the actual EXTNAMES system variable defines whether long names are allows (or only short names as before AutoCAD 2000)