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Please use this form and describe your issue, concisely but precisely, with as much detail as possible

• Your Windows build number: (Type ver at a Windows Command Prompt)
  10.0.16299.371

• What you're doing and what's happening: (Copy & paste specific commands and their output, or include screen shots)

1. Set font to ”MS Gothic” or a Japanese monospace font
2. Type ”■square□square” or another text that contains ambiguous-width characters like ”■” and ”┌”
3. Ambiguous-with characters lap over the next characters to them

• What's wrong / what should be happening instead:
  Some characters like ”■” and ”┌” has the same width as ASCII characters in latin fonts but double width in Japanese (and maybe some other languages) fonts. These characters are called ambiguous-weighted.

Other terminal emulator has the option to toggle the width of them but Windows Console doesn't.

EDIT: also see #16779