Library of functions which will contain functions that allow reusable HUD (Heads up Display) components to used from within other scripts
add_cell_change() - Adds a new cell to designated table which displays the data source value, the line color, data title, and automatically calculated %percent change stats based on lookback value supplied (default [1] - previous bar)
版本注释
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v2 - new display condition var added to add_cell_change