Open the R-groups Manager.
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Click the +Add button or the Add New R-group option under the R-groups menu.
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Enter your group name.
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​Note that your group name can nest other R-groups (e.g., "R2 and R3"). Existing R-groups nested this way will be individually tagged and will reflect name updates wherever used.
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Ctrl+Shift+= turns superscript style on/off. Ctrl+= toggles subscript style. Sub/superscript styles can also be applied to selected characters using toolbar or popup controls where provided.
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Click the Save button.
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Add descriptions for your R-groups.