Draw Beautiful Symbol Nomenclature for Glycans // A 'ggplot2'-native plotting engine for drawing reproducible beautiful Symbol Nomenclature for Glycans (SNFG) glycan cartoons from glycan structure objects or text notations, with support for batch export, structural highlighting, and deep appearance customization. It follows the SNFG specification described at https://www.ncbi.nlm.nih.gov/glycans/snfg.html.