SRD said:When an ability score changes, all attributes associated with that score change accordingly. A character does not retroactively get additional skill points for previous levels if she increases her intelligence.
Primitive Screwhead said:eh...What HR are you refering to? Per RAW changes to INT do not affect skill points in a retroactive fashion....

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.