path: root / awk-edits / Heading-anchors.awk


1
2
3
4
5
6
7
8
9
10
11
12

# .*html
#
# == About ==
#
# ssg generates an id for every heading. That's why after every heading there
# can be a hyperlink to itself. However, because of the current styling, such a
# hyperlink is required (except for h1).

/[ \t]*<h[23456]/ {
	match($0, /id="[^"]*"/);
	$0 = $0 ORS "<a class=\"h-anchor\" href=\"#" substr($0, RSTART + 4, RLENGTH - 5) "\" aria-hidden=\"true\">&#x00A7;</a>";
}