Complex sentence: Like TeX, LaTeX started as a writing tool for mathematicians and computer scientists, but from early in its development it was also taken up by scholars who needed to write documents that included complex non-Latin scripts, such as Arabic, Sanskrit and Chinese.
Split into simpler sentences: Like TeX, LaTeX started as a writing tool for mathematicians and computer scientists. But from early in its development it was also taken up by scholars who needed to write documents that included complex non-Latin scripts, such as Arabic, Sanskrit and Chinese.