Keymap

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Each table below filters as you type, and the helix / vim buttons switch which keymap it answers in; the choice is remembered across the page. Only the match group is written so far.

Match: m

m is the group for pairs and the text between them, as in helix: go to the other bracket, select inside or around something, and add, delete or replace a pair. Each step shows a menu of what it takes, so you can press m and read on. Under the vim keymap the same things are vim-surround's keys.

Nothing matches.

What mi and ma take

mi selects the inside, ma the inside with whatever surrounds it. The examples use one sentence, with the cursor on 期:

他说：「今天（星期三）要下雨，记得带伞。」然后就走了。

Keys	Object	Selects
mi w	word	星期三
mi s	sentence	他说：「今天（星期三）要下雨，记得带伞。」
mi p	paragraph	the whole paragraph
mi m	the nearest pair, whichever kind	星期三
ma m	…with the pair	（星期三）
mi (	inside the parentheses (( covers （） too)	星期三
mi 「	inside the Chinese brackets	今天（星期三）要下雨，记得带伞。

Markdown marks are k, for markup. On a **bc** d with the cursor on b:

Keys	Selects
mi k	bc
ma k	**bc**

k also takes *italic*, ~~struck~~, ==marked==, `code`, links and [[wiki links]].

In code, four more: on fn add(a: i32, b: i32) -> i32 { a + b }, with the cursor on the parameter b:

Keys	Object	Selects
mi f	function	the whole fn add(…) { a + b }
mi a	parameter	b: i32
mi c	comment (in a table: this cell)	the comment the cursor is in
mi t	type definition	the struct or enum the cursor is in

Any character that is not a letter or a digit works as a pair: mi $ on $xy$ selects xy.

What ms, md and mr take

A bracket (either half), a quote, a Chinese bracket, or any other character, which then pairs with itself. md and mr also take m for the nearest pair, and md takes k for Markdown marks.

Text	Keys	Result
foo bar, foo selected	ms (	(foo) bar
foo bar, foo selected	ms 「	「foo」 bar
foo bar, foo selected	ms *	*foo* bar
a (bc) d	md (	a bc d
a *x* b	md *	a x b
这是 **一句话** 的例子	md k	这是 一句话 的例子
这是 [字](http://a) 的例子	md k	这是 字 的例子
这是 [字](http://a) 的例子	md m	这是 字(http://a) 的例子, as helix does
f(a)	mr ( [	f[a]
a $x$ b	mr $ (	a (x) b

In every example the cursor stands inside the pair. Under the vim keymap, ds( is md (, cs([ is mr ( [, and ysiw( surrounds the word.