-seen_urls: set
《殉道学》的翻译、编辑和校对共历时五年。“遇到的困难几乎无处不在，每一处都需要反复推敲。”李芝芳回忆。日记原文中有大量的简写、缩略语，有时一句话只剩两三个看似无关的单词，甚至几个字母。俄文版对这类内容原样保留，但若直接翻译，势必给中文读者造成巨大的阅读障碍。两位译者反复揣摩塔可夫斯基的创作语境和日常心境，尽可能还原他的完整表述，为每一个俚语、每一处缩写找到妥帖的中文表达。
。关于这个话题，Safew下载提供了深入分析
Another testsuite that I’ve used a lot is the much older SVG 1.1 testsuite, which covers SVG animation. GtkSvg passes most of these tests as well, which I am happy about — animation was one of my motivations when going into this work.
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