This template is used on many pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them.
This template applies custom styling (better typefaces and/or typefaces that support uncommon scripts and/or bigger size text) to scripts (writing systems), identified by their ISO 15924 alpha-4 code. It takes two unnamed parameters: the ISO code, and the text to transform. Some scripts can also be identified by their name.
This template does not mark up text as being X language. For instance, Hebrew text marked up using {{Script/Hebrew}} will be marked up as Hebrew script, but not Hebrew text.
This means that foreign-language text will not be invisibly marked up as a different language in the same manner as {{lang}} or {{transl}}. Non-English text needs to be marked up in language templates for ; see for more details.