Error when splitting HTML tags

[bennypowers]

Occurs occasionally when splitting an html start tag tag name. full repro TBD

   Error  08:39:13 AM msg_show.emsg E5108: Error executing lua: ...nyp/Developer/splitjoin.nvim/lua/splitjoin/util/node.lua:92: Invalid 'start_col': out of range
stack traceback:
	[C]: in function 'nvim_buf_set_text'
	...nyp/Developer/splitjoin.nvim/lua/splitjoin/util/node.lua:92: in function 'replace'
	...plitjoin.nvim/lua/splitjoin/languages/html/functions.lua:49: in function 'split_children'
	...plitjoin.nvim/lua/splitjoin/languages/html/functions.lua:98: in function 'handler'
	/home/bennyp/Developer/splitjoin.nvim/lua/splitjoin.lua:61: in function 'split'
	/home/bennyp/.config/nvim/lua/plugins/editing/splitjoin.lua:6: in function </home/bennyp/.config/nvim/lua/plugins/editing/splitjoin.lua:6>