[Docs] Clarify the behvior of first, last, and nth on empty generators #1086

	name: oniguruma
	on:
	push:
	branches:
	- master
	pull_request:

	# Since builtin oniguruma is tested in the CI workflow,
	# we test other options for --with-oniguruma here.
	jobs:
	installed:
	runs-on: ubuntu-22.04
	steps:
	- name: Clone repository
	uses: actions/checkout@v4
	- name: Install packages
	run: \|
	sudo apt-get update
	sudo apt-get install -y automake autoconf libtool valgrind libonig-dev
	- name: Build
	run: \|
	autoreconf -i
	./configure \
	--disable-docs \
	--with-oniguruma=yes
	make -j"$(nproc)"
	file ./jq
	- name: Test
	run: \|
	./jq -n '"" \| test("")'
	make check VERBOSE=yes
	git diff --exit-code
	- name: Upload Test Logs
	if: ${{ failure() }}
	uses: actions/upload-artifact@v4
	with:
	name: test-logs-oniguruma-installed
	retention-days: 7
	path: \|
	test-suite.log
	tests/*.log

	disabled:
	runs-on: ubuntu-22.04
	steps:
	- name: Clone repository
	uses: actions/checkout@v4
	- name: Install packages
	run: \|
	sudo apt-get update
	sudo apt-get install -y automake autoconf libtool valgrind
	- name: Build
	run: \|
	autoreconf -i
	./configure \
	--disable-docs \
	--with-oniguruma=no
	make -j"$(nproc)"
	file ./jq
	- name: Test
	run: \|
	! ./jq -n '"" \| test("")'
	make check VERBOSE=yes
	git diff --exit-code
	- name: Upload Test Logs
	if: ${{ failure() }}
	uses: actions/upload-artifact@v4
	with:
	name: test-logs-oniguruma-disabled
	retention-days: 7
	path: \|
	test-suite.log
	tests/*.log

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