Automatically adapt ellipsis dots (…, dots, ...) to centered or baseline variants based on surrounding operators, similar to LaTeX’s amsmath \dots behavior.

Usage

#import "@preview/adaptive-dots:0.1.0": adaptive-dots

#show: adaptive-dots

// Baseline dots (with commas)
$a_1, a_2, ..., a_n$

// Centered dots (with multiplication or addition)
$1 + 2 + ... + n$ // automatically centered
$1 dot.c ... dot.c n$

Explicit Variants

Use ldots and cdots to override automatic detection:

#import "@preview/adaptive-dots:0.1.0": adaptive-dots, ldots, cdots

#show: adaptive-dots

// Force baseline dots even with + operators
$1 + 2 + ldots + n$

// Force centered dots even with commas
$a, b, cdots, z$

How It Works

The package inspects the operators surrounding ... or dots:

• Uses dots.c (centered dots ⋯) when adjacent to binary operators like +, −, ×, ⋅, =, <, >, ∪, ∩, etc.
• Defaults to baseline dots (…) for list separators like , and ;

Supported Operators

The following operators trigger centered dots:

Examples

#import "@preview/adaptive-dots:0.1.0": adaptive-dots

#show: adaptive-dots

// Sequences use baseline dots
$a_1, a_2, ..., a_n$           // → a₁, a₂, …, aₙ

// Sums and products use centered dots  
$1 + 2 + ... + n$              // → 1 + 2 + ⋯ + n
$a × b × ... × z$              // → a × b × ⋯ × z

// Set operations
$A ∪ B ∪ ... ∪ Z$              // → A ∪ B ∪ ⋯ ∪ Z

// Inequalities
$a < b < ... < z$              // → a < b < ⋯ < z

License

This package is licensed under the MIT License.