Array adjustements

[cursorkeys]

1-Strings in arrays, var name, and check vs varname.
2-Integers
3-memory safeguards
4-are they dimension-ed correctly? (basicarray [4] should have range 0-3, and basic range should be double checked after that)

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DIM A$(4) One-dimensional array with room for 4+1=5 strings.
DIM C%(2,3) Two-dimensional array with 2+1=3 integers along the first dimension,
and 3+1=4 dimensions along the second, giving a total of 12 integers.
DIM T(8,1,5) Three-dimensional array with (8+1)×(1+1)×(5+1)=108 real variables.
DIM B$(CT%) DIMensioning a string array according to a size held in a variable