init from https://github.com/Hufe921/canvas-editor

docs/en/guide/shortcut-internal.md

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+# Internal shortcut keys
+
+## Backspace
+
+Feature: Forward delete
+
+## Delete
+
+Feature: Backward delete
+
+## Enter
+
+Feature: Line break
+
+## Shift + Enter
+
+Feature: Line breaks within the list
+
+## ←
+
+Feature: Move to the left
+
+## Shift + ←
+
+Feature: Zoom the selection to the left
+
+## Ctrl/Cmd + ←
+
+Feature: Move to the left(jump word)
+
+## Ctrl/Cmd + Shift + ←
+
+Feature: Zoom the selection to the left(jump word)
+
+## →
+
+Feature: Move to the right
+
+## Shift + →
+
+Feature: Zoom the selection to the right
+
+## Ctrl/Cmd + →
+
+Feature: Move to the right(jump word)
+
+## Ctrl/Cmd + Shift + →
+
+Feature: Zoom the selection to the right(jump word)
+
+## ↑
+
+Feature: Move up
+
+## Shift + ↑
+
+Feature: Zoom up the selection
+
+## ↓
+
+Feature: Move down
+
+## Shift + ↓
+
+Feature: Zoom down the selection
+
+## Esc
+
+Feature: Exit format brush
+
+## Tab
+
+Feature: Increase indent/Move next control
+
+## Shift + Tab
+
+Feature: Move previous control
+
+## Ctrl/Cmd + Z
+
+Feature: Undo
+
+## Ctrl/Cmd + Y
+
+Feature: Redo
+
+## Ctrl/Cmd + C
+
+Feature: Copy
+
+## Ctrl/Cmd + X
+
+Feature: Cut
+
+## Ctrl/Cmd + A
+
+Feature: Select all
+
+## Ctrl/Cmd + S
+
+Feature: Save
+
+## Ctrl/Cmd + {
+
+Feature: Increase the font
+
+## Ctrl/Cmd + }
+
+Feature: Reduce the font
+
+## Ctrl/Cmd + B
+
+Feature: Bold
+
+## Ctrl/Cmd + I
+
+Feature: Italic
+
+## Ctrl/Cmd + U
+
+Feature: Underline
+
+## Ctrl/Cmd + L
+
+Feature: Line left
+
+## Ctrl/Cmd + E
+
+Feature: Line center
+
+## Ctrl/Cmd + R
+
+Feature: Line right
+
+## Ctrl/Cmd + J
+
+Feature: Both sides are aligned
+
+## Ctrl/Cmd + Shift + J
+
+Feature: Line justify
+
+## Ctrl + Shift + X
+
+Feature: Strikethrough
+
+## Ctrl/Cmd + Shift + >
+
+Feature: Superscript
+
+## Ctrl/Cmd + Shift + <
+
+Feature: Subscript
+
+## Ctrl + Alt/Option + 0
+
+Feature: Main body
+
+## Ctrl + Alt/Option + 1
+
+Feature: Header1
+
+## Ctrl + Alt/Option + 2
+
+Feature: Header2
+
+## Ctrl + Alt/Option + 3
+
+Feature: Header3
+
+## Ctrl + Alt/Option + 4
+
+Feature: Header4
+
+## Ctrl + Alt/Option + 5
+
+Feature: Header5
+
+## Ctrl + Alt/Option + 6
+
+Feature: Header6
+
+## Ctrl/Cmd + Shift + I
+
+Feature: Unordered list
+
+## Ctrl/Cmd + Shift + U
+
+Feature: Ordered list