aycabta

Add Unicode properties of East Asian Width

3

This Pull Request adds Unicode properties about [East Asian Width](http://unicode.org/reports/tr11/). Supports only full name because some aliases are duplicated, such as `N`. In Unicode 10.0.0, this adds below: - `Ambiguous`...

There is [an hard tab(s) to spaces implementation](https://github.com/ruby/rdoc/search?utf8=%E2%9C%93&q=%22%40options.tab_width%22+%22content.split%22&type=) in similar to [`RDoc::Text#expand_tabs`](https://github.com/ruby/rdoc/search?utf8=%E2%9C%93&q=%22def+expand_tabs%22&type=). I think it should be collected up, but [@drbrain said](https://github.com/ruby/rdoc/pull/512/files/1946c08402d27a7167451f78d34511946570b14f#r137398493), > Too bad [expand_tab](https://github.com/ruby/rdoc/blob/4b2fab86d907f5f0115e50d322238d431172404e/lib/rdoc/text.rb#L68) doesn't support `@options.tab_width` And...

The latest Dokku changed command format.

Ctrl-C stops working after using binding.irb

3

When using `binding.irb`, subsequent use of `SIGINT` fails. ```ruby current = Signal.trap(:INT) {puts "Handled"} Process.kill(:INT, Process.pid) binding.irb Process.kill(:INT, Process.pid) ``` Gives: ``` Handled From: /private/var/folders/3x/tvygzl0s65520b6t4tzqbt980000gn/T/320667e1-6291-4143-979c-a113e661d440 @ line 5 : 1:...

ref. https://github.com/ruby/irb/issues/326

1. input `define_method "a".encode(Encoding::UTF_16) do end` and Enter on UTF-8 terminal env 1. press Tab 1. crash