[Snek] [keith-packard/snek] c0d273: doc: Support asciidoctor-pdf 2.x and above

[Keith Packard]

  Branch: refs/heads/main
  Home:   https://github.com/keith-packard/snek
  Commit: c0d273ceb5be3f6f91223e6a524ae55d19eee84b
      https://github.com/keith-packard/snek/commit/c0d273ceb5be3f6f91223e6a524ae55d19eee84b
  Author: Keith Packard <keithp at keithp.com>
  Date:   2022-12-20 (Tue, 20 Dec 2022)

  Changed paths:
    M doc/Makefile
    M doc/lessons/lesson-1/Makefile
    M doc/lessons/lesson-1/lesson-1-snekboard.adoc
    M doc/lessons/lesson-2/Makefile
    M doc/lessons/lesson-2/lesson-2-line-bug.adoc
    M doc/lessons/lesson-3/Makefile
    M doc/lessons/lesson-3/lesson-3-bumper-car.adoc
    M doc/lessons/lesson-4/Makefile
    M doc/lessons/lesson-4/lesson-4-washing-machine.adoc
    M doc/snek-book-theme.yml
    M doc/snek-theme.yml
    M doc/snek.adoc

  Log Message:
  -----------
  doc: Support asciidoctor-pdf 2.x and above

Theme attributes changed a bit.

Signed-off-by: Keith Packard <keithp at keithp.com>


  Commit: 771cc7eceaec74a63ce5633bf2467f7dd53a798b
      https://github.com/keith-packard/snek/commit/771cc7eceaec74a63ce5633bf2467f7dd53a798b
  Author: Keith Packard <keithp at keithp.com>
  Date:   2022-12-20 (Tue, 20 Dec 2022)

  Changed paths:
    M snek-lex.c

  Log Message:
  -----------
  Shrink float lexing by a few bytes

Use | ('a' - 'A') hack to detect 'e' or 'E' when lexing numbers

Signed-off-by: Keith Packard <keithp at keithp.com>


  Commit: a2c4716ab745b27d7db118515f2c0aa710bf3980
      https://github.com/keith-packard/snek/commit/a2c4716ab745b27d7db118515f2c0aa710bf3980
  Author: Keith Packard <keithp at keithp.com>
  Date:   2022-12-20 (Tue, 20 Dec 2022)

  Changed paths:
    M doc/snek.adoc

  Log Message:
  -----------
  doc: Note that param to `prompt` is optional

Signed-off-by: Keith Packard <keithp at keithp.com>


Compare: https://github.com/keith-packard/snek/compare/47838293eeb5...a2c4716ab745