Escape underscores #208
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Escape underscores #208
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This allows for generating symbols with subscripts (possibly multiple layers), e.g. `x_2_i` becomes `x_{2_{i}}`. This option also creates the possibility of generating invalid latex if the identifier starts or ends with an underscore, or has a double underscore in it. In these cases we now raise a ValueError.
…ores` option in IdentifierConverter
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Overview
Add the option to not escape underscores in IdentifierConverter
Details
This allows for generating symbols with subscripts (possibly multiple layers), e.g. x_2_i becomes x_{2_{i}}. This is done by splitting the identifier on underscores, converting each 'sub-identifier' as normal, then concatenating the converted identifiers back together, separated by underscores. There is some simple logic in the concatenation to wrap the subscripts in braces to accommodate multiple layers of subscripts.
This option also creates the possibility of generating invalid latex if the identifier starts or ends with an underscore, or has a double underscore in it. In these cases we now raise a ValueError. Tests have been added exercising the new functionality, including the error path.