Can I format a heading without a newline?

Questions
1

I’d like to create a heading format so that eg

== My internal header

#lorem(50)

Gets formatted to look the way

#text(14pt, weight: "bold")[My internal header:] #lorem(50)

would look. Is that possible? If I need to remove the blank line between the header and the paragraph text, that’s fine too, though I don’t know if that makes a difference.

2

You can use something like this:

#show heading.where(level: 2): it => {
  set text(14pt)
  box(it) + ":"
}

== My internal header
#lorem(50)

You could replace box(it) with it.body but this wouldn’t compose very well with other show-it rules since it removes the heading element.

Note that you will need to start the section content right after the title in markup (no empty line).

2 Likes
3

Good to note, but that’s ok for my current use-case. Thanks!

4

Hello. Here is a robust yet hacky solution:

#show heading.where(level: 2): it => {
  set text(14pt)
  box(it) + ":"
}

#show: doc => {
  let i = 0
  let elements = doc.children
  while i < elements.len() {
    if elements.at(i).func() == heading and elements.at(i).depth == 2 {
      elements.at(i)
      let j = i + 1
      while (
        j < elements.len() and elements.at(j).func() in (parbreak, [ ].func())
      ) {
        j += 1
      }
      if j >= elements.len() { break }
      " "
      i = j
    }
    elements.at(i)
    i += 1
  }
}

== Heading
// space
#lorem(50)

== Heading
#lorem(50)

== Heading

#lorem(50)

#heading(depth: 2)[Heading]#lorem(50)

== Heading

image

You can start writing a paragraph however you want, but global show rules can break something else. Though only real testing can say for sure. If there is a top-level styling added, then the styled element will have to be parsed a bit differently, though still should be possible.

2 Likes
5

Woah, neat! I barely understand what’s going on, but the results speak for themselves :smile:

6

To be clear, the given code (with box(it)) doesn’t have that problem because it preserves the it value instead of replacing it with it.body.

7

The algorithm goes over all elements in the sequence element and filters out parbreak and space elements that go after the depth: 2 headings. And adds a single space after all the removed stuff if there is still something after the heading.