Dividend Price Adjustment for Technical Charts

Greetings to all the members!

My first question:
May I know the historic price should be adjusted to End of Day Equity stocks having Dividend amount below 5% of market price for all the days prior to it’s Ex dividend date? I red at NSE website that above 5% dividend price on market vale should be adjusted for strike price and I assume it refers to Options strike price but not sure this rule is applicable for equities. But my question is specific to Historic data in equity market for referring the technical charts and technical indicators.

My second question:
My I know the order of price adjustment should be considered if a company declares both Dividend and Bonus (or Split) on the same Ex. Date

Thanks in Advance