# The spbmark package `spbmark` provides three commands `\super`, `\sub` and `\supersub` to improve the layout of superscripts and subscripts which can be adjusted the relative position and format, and can be used in text and math mode. ## License This work may be distributed and/or modified under the conditions of the CC-BY 4.0 License. The latest version of this license is in https://creativecommons.org/licenses/by/4.0/legalcode ## Website | [Gitee](https://gitee.com/texno3/spbmark) | [Github](https://github.com/texno3/spbmark) | [CTAN](https://ctan.org/pkg/spbmark) |