PDF HTML size PR3: indent with one tab per level #2674

Job	Run time
build (ubuntu-24.04, ubuntu-24.04-clang-18, android-35-x86_64, 28.1.13356709)	17m 14s
build-test-downstream (ubuntu-24.04, ubuntu-24.04-clang-18, ubuntu-24.04-clang-18)	15m 22s
build (macos-15, macos-15-armv8-clang-14, macos-15-armv8-clang-14)	13m 10s
build (ubuntu-24.04, ubuntu-24.04-clang-18, ubuntu-24.04-clang-18)	18m 28s
build (ubuntu-24.04, ubuntu-24.04-gcc-14, ubuntu-24.04-gcc-14)	7m 26s
build (windows-2022, windows-2022-msvc-1940, windows-2022-msvc-1940)	5m 1s
build (macos-26, macos-26-armv8-clang-14, macos-26-armv8-clang-14)	15m 8s
test (macos-26, macos-26-armv8-clang-14)	11m 24s
docker (ubuntu-24.04, ubuntu-24.04-clang-18)	34s
	1h 43m 47s

Provide feedback