Create journal-of-roman-archaeology-a.csl

Just a question linked to validation: is there a reason why validation.nu gives errors on them?

Error: Bad value minimal-two for attribute page-range-format on element style from namespace http://purl.org/net/xbiblio/csl.

From line 1, column 1; to line 2, column 166

<?xml version="1.0" encoding="UTF-8"?>↩<style xmlns="http://purl.org/net/xbiblio/csl" version="1.0" class="note" demote-non-dropping-particle="never" default-locale="en-US" page-range-format="minimal-two">↩ <in

Error: Attribute license not allowed on element rights from namespace http://purl.org/net/xbiblio/csl at this point.

From line 17, column 5; to line 17, column 69

on"/>↩ <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This w

Error: Bad value title-short for attribute variable on element text from namespace http://purl.org/net/xbiblio/csl.

From line 55, column 9; to line 55, column 58

>↩ <text variable="title-short" font-style="italic"/>↩

Error: Bad value title-short for attribute variable on element if from namespace http://purl.org/net/xbiblio/csl.

From line 77, column 9; to line 77, column 47

>↩ <if variable="title-short" match="any">↩