To include a template in this category, add [[Category:Writing system templates]]
to the <includeonly> section at the bottom of the template's /doc subpage if such a page exists. Otherwise, add <noinclude>[[Category:Writing system templates]]</noinclude>
to the end of the template code, making sure it starts on the same line as the last character of the code.
This category has the following 4 subcategories, out of 4 total.