SA0026: Possible truncated strings

Function	Determines string assignments and initializations that do not use an adequate string length.
Reason	If strings of different lengths are assigned, a string may be truncated. The result is then not the expected one.
Importance	Medium

Samples:

PROGRAM MAIN
VAR
    sVar1  : STRING[10];
    sVar2  : STRING[6];
    sVar3  : STRING[6] := 'abcdefghi';              // => SA0026
END_VAR

sVar2 := sVar1;                                     // => SA0026