chretien said:No, you can change from an 'old' tradeskill (Tailoring, ACing, Weaponsmithing or Fletching) to one of the 'new' ones (Alchemy or Spellcrafting) but not the other way around.
However in a recent grab bag, Sanya said that one of the proposed changes to the crafting system is to let all classes train all crafts as high as they like without limits on secondary skills, so eventually your alchemist will be able to train a skill that lets him advance in woodworking without having to wipe his alchemy skill.
chretien said:No, you can change from an 'old' tradeskill (Tailoring, ACing, Weaponsmithing or Fletching) to one of the 'new' ones (Alchemy or Spellcrafting) but not the other way around....