first section of chapter1 has been translated
finish the translation of the second section of chapter1
the third section of chapter1 translated
replace some words, and fix some wrong translations
the section of chapter1, infix operation patterns, has been translated.
stream extractor section translated
using extractor translated
finish translating chapter 1
update readme file
fix some header and move out of term translations table
update readme file

add anchors to translated part
update readme file

add wiki link
start of chapter 2