Input fields and text windows are edited using built-in Arachne editor. In editor, you can use standard editing keys (cursor keys, <Backspace>, <Delete>, <Home>, <End>, <Page Up>, <Page Down>). <Shift> + cursor keys marks block, and following commands are available:

<Ctrl+X>	Cut to clipboard (*)	Left mouse button	Move/mark block (*)
<Ctrl+V>	Paste from clipboard (*)	Middle mouse button	Paste block
<Ctrl+C>	Copy to clipboard (*)	Right mouse button	Copy to clipboard
<Ctrl+Page Up>	Goto top of file (*)	<Ctrl+K> B	Begin block
<Ctrl+Page Down>	Goto end of file (*)	<Ctrl+K> K	End block
<Ctrl+Home>	Page Left	<Ctrl+K> M (V)	Move block
<Ctrl+End>	Page Right	<Ctrl+K> Y	Delete block
<Ctrl+Left>	Previous word	<Ctrl+K> C	Copy block
<Ctrl+Right>	Next word	<Ctrl+K> H	Hide block
<Ctrl+T>	Toggle wordwrap (*)	<F7> (<Ctrl+Q>)	Search for string
<Insert>	Toggle insert/overwrite	<Ctrl+L>	Search next
<F2>	Submit form or save file (*)	<Ctrl+Y>	Delete line
<F3> (<Ctrl+R>)	Insert file (block) (*)	Left doubleclick	Mark line (*)
<Ctrl+W>	Write to file (*)		Unmark block (*)
<Tab>	Goto next input field		Submit URL
<Shift+Tab>	Goto previous input field	Right doubleclick	Delete block (*)
<Enter>	Goto next input field (**)
<Esc>	Exit editor mode

(*) Multi-line windows only (**) Submits form if in last single-line input field in form