Merge pull request mattn#51 from tklauser/bump-uniseg

Bump github.com/rivo/uniseg to v0.2.0

Fix narrow width: Added StrictEmojiNarrow

In EastAsianWidth, neutral always should be double-width.

Merge pull request mattn#29 from rivo/graphemestringwidth

Fixed StringWidth() implementation by using proper Unicode grapheme cluster segmentation. Fixes mattn#28

Merge pull request mattn#41 from mattn/unicode13

Support Unicode13

Add go generate

Merge pull request mattn#35 from mattn/fix-width

Fix width

Merge pull request mattn#33 from zetamatta/master

EastAsianWidth.txt, use the record with "F"(FULLWIDTH) field as same as "W"

Merge pull request mattn#31 from mattn/unicode-12

Unicode 12.1

Merge pull request mattn#25 from mattn/zerojoin2

Fix ZeroWidthJoiner