A critical design decision is how to extract the file and rank from a square index. In most languages, you’d write file = (sq - 1) % 8 + 1 and rank = (sq - 1) / 8 + 1. But TeX’s \numexpr division rounds instead of truncating: 63/8 gives 8 (rounding 7.875 up), not 7. This was the source of one of the first nasty bugs. The fix: precompute lookup tables at load time using \divide (which truncates) and store results in \csname control sequences:
Tributes have been paid to the war photographer Paul Conroy who has died at the age of 61.
。新收录的资料是该领域的重要参考
他把這場衝突定性為「一場本不應發生的戰爭，也是一場對各方都沒有好處的戰爭」，並呼籲「立即停止軍事行動，防止局勢輪番升級，避免戰火外溢蔓延」。
配备 LUMO 潜望长焦镜头（50MP、85mm、F2.8，等效 3.5 倍光学变焦）；