Problems on setting CJK/Han font in math equations #6737
Description
Previous title: Some math features collapse when show math.equation: set text(font: (NCM, NCM Math))
Description
Some math features are not behave normally when setting math font to ("New Computer Modern", "New Computer Modern Math").
Specifically, in the following example, the spacing between the two sides of := is lost, and { does not automatically stretch its height either.
#show math.equation: set text(font: (
"New Computer Modern",
"New Computer Modern Math",
))
$ f := cases(x, y) $
This issue occurs only if the first font is NCM (New Computer Modern):
show math.equation: set text(font: (any font for regular text other than NCM, any math fonts))⇒ ✅show math.equation: set text(font: (NCM, any math fonts))⇒ 😓
Futher examples
Full code
#set page(height: auto, width: auto)
#let example = $
f := cases(
1 "if" (x dot y)/2 <= 0,
2 "if" x "is even",
3 "if" x in NN,
4 "else",
)
$
#let good = emoji.checkmark.box
#let bad = emoji.face.sweat
= Default #good
#example
= NCM Math #good
(NCM = New Computer Modern)
#show math.equation: set text(font: "New Computer Modern Math")
#example
= Libertinus Serif, NCM Math #good
#show math.equation: set text(font: (
"Libertinus Serif",
"New Computer Modern Math",
))
#example
= NCM, NCM Math #bad
#show math.equation: set text(font: (
"New Computer Modern",
"New Computer Modern Math",
))
#example
#pagebreak()
= Fira Math #good
#show math.equation: set text(font: (
"Fira Sans",
"New Computer Modern Math",
))
#example
= Fira Sans, NCM Math #good
#show math.equation: set text(font: (
"Fira Sans",
"New Computer Modern Math",
))
#example
= NCM, Fira Math #bad
#show math.equation: set text(font: (
"New Computer Modern",
"Fira Math",
))
#example
= Fira Sans, Fira Math #good
#show math.equation: set text(font: (
"Fira Sans",
"New Computer Modern Math",
))
#exampleWhy do you want (NCM, NCM Math)?
What I actually need is:
- use Noto CJK for Han/CJK characters and punctuations, e.g.,
（所谓“定义”）, and - leave other characters remain as default.
This leads to font: (NCM, Noto CJK, NCM Math).
#set text(fallback: false) // For debugging
= Default
$ x = 1 "（所谓“定义”）" $
= NCM, Noto CJK, NCM Math
#show math.equation: set text(font: (
(name: "New Computer Modern", covers: "latin-in-cjk"),
"Noto Serif CJK SC",
"New Computer Modern Math",
))
$ x = 1 "（所谓“定义”）" $Ref: 如何修改公式里的中文字体？ How change Chinese font in equations? | Typst 中文社区导航 typst-doc-cn guide
Env info
Reproduction URL
No response
Operating system
Web app, Linux, Windows
Typst version
- I am using the latest version of Typst
Additionally, I've tested the basic example in main (bcc71dd).