Use dash (-) with group cross references

[rgaiacs]

Bug description

Consider the following minimal working example:

_quarto.yml:

project:
  type: book

book:
  title: "Minimal Working Example"
  author: "Raniere"
  date: "06/08/2022"
  chapters:
    - index.qmd

format:
  html:
    theme: cosmo

index.qmd:

# Preface {.unnumbered}

Some text [@fig-first; @fig-second] more text.

![Some text](cover.png){#fig-first}

![Some text](cover.png){#fig-second}

After render, I got

Some text Figure 1, Figure 2 more text.

when I expected to get

Some text Figure 1--2 more text.

quarto check Output

[✓] Checking Quarto installation......OK Version: 1.0.37 Path: /opt/quarto/bin

[✓] Checking basic markdown render....OK

[✓] Checking Python 3 installation....OK Version: 3.9.2 Path: /usr/bin/python3 Jupyter: (None)

  Jupyter is not available in this Python installation.
  Install with python3 -m pip install jupyter

[✓] Checking R installation...........OK Version: 4.1.3 Path: /opt/conda/lib/R LibPaths:

• /opt/conda/lib/R/library rmarkdown: 2.14

[✓] Checking Knitr engine render......OK

quarto tools check Output

Tool         Status            Installed     Latest  
chromium     Not installed     ---           869685  
tinytex      Not installed     ---           v2022.08

Checklist

• [X] formatted your issue so it is easier for us to read?
• [X] included a minimal, fully reproducible example in a single .qmd file? Please provide the whole file rather than the snippet you believe is causing the issue.
• [X] documented the quarto version you're running, by pasting the output from running quarto check in the "Quarto Check Output" text area?
• [X] documented the version of the quarto tools you're running, by providing the output from running quarto tools check in the "Quarto Tools Check Output" text area?
• [X] documented the RStudio IDE version you're running (if applicable), by providing the value displayed in the "About RStudio" main menu dialog?
• [X] documented which operating system you're running? If on Linux, please provide the specific distribution as well.
• [X] upgraded to the latest version, including your versions of R, the RStudio IDE, and relevant R packages?

[jjallaire]

We are going to be working on many improvements to crossrefs in v1.2 (later this fall) and expect to resolve this issue in that release.