BUT There are��not compliant below
1.�� �� '�������� ' asSymbol�������� >>>>������ no meaning
2. ��'$%%&' asSymbol�������� >>>>������ no meaning
3.�� 'sign' asSymbol = 'sign ' asSymbol���� >>>�� false because of space.
3. '�� one two ��three ' asSymbol����������������������������>>>��������I think It should become three symbols = #one, #two, #three
I don't know what you mean by "no meaning', they're symbols.
Try this in a Playground, it works in Pharo 5"
| oc sym filtered|
oc := ' one two�� three $%%&' splitOn: ' '.
sym := OrderedCollection new.
oc do: [:each | sym add: each asSymbol].
filtered := OrderedCollection new.
filtered := sym select: [ :each | each ~= #'' ].
Transcript show: sym printString; cr.
Transcript show: filtered printString; cr.