Please note: the project is in alpha development state only so these controls may not work

Key combination Description
Arrows, Pg Up, Pg Dn, Home, End Basic cursor movement
Shift + Cursor movement Selection. It is possible to select nodes from same element only.
Ctrl + Up arrow Selects the parent element (the element into which the cursor points). Places the cursor after the selection.
F3 Pops up the context menu with the modification options.
Ctrl + C Copies selected nodes into the clipboard
Ctrl + V Inserts the clipboard content at cursor position
Ctrl + T MathML only: Allows to enter the formula in TeX language