This is a list of component hidden field usage that may be pertinent to upcoming developments in delta and single submits:

selectInputDate
********************************
[id]: storing selected date
[form]:_idcl: stores id of captured element
[id]_cc: "Calendar click" value
[id]_cb: "Calendar button" when rendered as popup
time selects (year, month, day, hour, minute, am/pm, second)
[id]_sp: hidden field, stores popup state

outputChart
********************************
iceChartComponent: chart comp identifier

Drag and Drop
********************************
iceDND: stores encoded drag and drop event parameters

tree
********************************
[id]_idta: tree action field name (may not actually be used)
[id]_idtn: tree navigation field name

rowSelector
********************************
[id]sel_rows: stores the selected row numbers
[id]click_row: the row that's just been clicked
[id]click_count: the number of times the row has been clicked
[id]sel_rowsctrKy: if the control key is pressed(why not use the ice.event parameter?)
[id]sel_rowssftKy: if the shift key is pressed (why not use the ice.event parameter?)

commandLink
********************************
[form]:_idcl