mruby3.2.md: use dash instead of asterisk for itemize.
# The language
-* Now `a::B = c` should evaluate `a` then `c`.
-* Anonymous arguments `*`, `**`, `&` can be passed for forwarding.
-* Multi-precision integer is available now via `mruby-bigint` gem.
+- Now `a::B = c` should evaluate `a` then `c`.
+- Anonymous arguments `*`, `**`, `&` can be passed for forwarding.
+- Multi-precision integer is available now via `mruby-bigint` gem.
# Tools
## `mruby`
-* `-b` only specifies the script is the binary. The files loaded by `-r` are not affected by the option.
-* `mruby` now loads complied binary if the suffix is `.mrb`.
+- `-b` only specifies the script is the binary. The files loaded by `-r` are not affected by the option.
+- `mruby` now loads complied binary if the suffix is `.mrb`.
## `mrbc`
-* Add `--no-optimize` option to disable optimization.
+- Add `--no-optimize` option to disable optimization.
# mrbgems
## mruby-errno
-* `mruby-errno` gem is now bundled.
+- `mruby-errno` gem is now bundled.
## mruby-class-ext
-* Add `Class#subclasses` method.
-* Add `Module#undefined_instance_methods` method.
+- Add `Class#subclasses` method.
+- Add `Module#undefined_instance_methods` method.
