Character '&' is only available in array mode !
Reported by Simon
BUG DESCRIPTION:
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Expression block can't handle the certain characters. If an Expression block contains either '&' or '~' Xcos crashes with the error shown below. There are probably other characters, that don't work.
ERROR LOG:
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Problem with command mathsf at position 0:113
Problem with command scalebox at position 0:106
Problem with command array@@env at position 0:77
Problem with command scalebox at position 0:46 Character '&' is only available in array mode !
HOW TO REPRODUCE THE BUG:
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1. Create new Xcos diagram
2. Create Expression block
3. Enter (u1&u2)*1