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Added explanation of identifiers

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Ullrich Koethe 2025-03-05 00:20:09 +01:00 committed by GitHub
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docs/reference/language/scripting.md
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@ -7,6 +7,16 @@ Typst embeds a powerful scripting language. You can automate your documents and
create more sophisticated styles with code. Below is an overview over the
scripting concepts.
## Identifiers
Typst uses largely the same rules to define variables, function names etc.
as most other languages, with one important exception: dashes are permitted
as part of an identifier, e.g. the [`to-absolute`]($length.to-absolute)
function for a length or the [`first-line-indent`]($par.first-line-indent)
parameter of a paragraph. In fact, this convention is more common than
underscores or camel case. Since the dash is also the symbol for subtraction,
a minus must be disambiguated by surrounding white space in script mode.
## Expressions
In Typst, markup and code are fused into one. All but the most common elements
are created with _functions._ To make this as convenient as possible, Typst