1.9.8

• Matrix shortcuts will now run in the gather environment as well. (#343 by @llakala)
• Conceal dfrac, tfrac and gfrac in addition to frac. (#344 by @llakala)
• Conceal \operatorname. (#353 by @vreithinger)
• Matrix shortcuts now work in inline math as well. (#362 by @AJCubed)