SGML parser

Current versions:

stable 1.5.2
bottle 🍾 high_sierra, sierra, el_capitan

Depends on when building from source:

docbook 5.0 Standard SGML representation system for technical documents
ghostscript 9.23 Interpreter for PostScript and PDF
xmlto 0.0.28 Convert XML to another format (based on XSL or other tools)

JSON API for open-sp

Formula code on GitHub

Fork me on GitHub