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While holding down the left "Alt" key:
for an ä type 0228 or 132
for an ö type 0246 or 148
for an ü type 0252 or 129
or an ß type 0223 or 225
for an Ä type 0196
for an Ö type 0214
for an Ü type 0220
EURO?
Anführungszeichen?