Issue #784672 by smustgrave, floretan, lokapujya, joegraduate, jcnventura,...

Issue #784672 by smustgrave, floretan, lokapujya, joegraduate, jcnventura, AndyF, joelpittet, darvanen, c960657, eiriksm, viappidu, jungle, ravi.shankar, DanielVeza, Meenakshi_j, gordon, raman.b, mohit_aghera, vsujeetkumar, aleevas, vakulrai, bruvers, larowlan, vpeltot, wjaspers, Sonal.Sangale, jan.stoeckler, jofitz, vdsh, minorOffense, LewisNyman, mgifford, Berdir, tstoeckler, Luke.Leber, Hanno, alexpott, andypost, yannickoo, hchonov, quietone, David_Rothstein, fgm, mr.baileys, MaxMendez, mpp: Allow text field to enforce a specific text format