Results 2 issues of Takenobu Tani

Thank you for your great work :-) The following line's "λ" can be displayed in HTML, but can not be displayed correctly in PDF. (Please ignore if my environment dependent)...

Reflecting comments by sperlie on the reddit: https://www.reddit.com/r/WebAssembly/comments/a1royl/webassembly_illustrated/eatpspl/