Ada LRM - Index WXYZ

Wait
  [see: selective wait, task suspension] 

While loop
  [see: loop statement] 

WIDTH (predefined attribute) 3.5.5 (3.5.5); A (A) 

With clause 10.1.1 (10.1.1); D (D)
  [see also: context clause]
     determining order of compilation 10.3 (10.3)
     determining the implicit order of library units 8.6 (8.6)
     in a context clause of a compilation unit 10.1.1 (10.1.1)
     in a context clause of a subunit 10.2 (10.2)
     inserted by the environment 10.4 (10.4)
     leading to direct visibility 8.3 (8.3) 

WRITE (input-output procedure)
     in an instance of direct_io 14.2.4 (14.2.4); 14.1 (14.1), 14.2 (14.2), 14.2.5 (14.2.5)
     in an instance of sequential_io 14.2.2 (14.2.2); 14.1 (14.1), 14.2 (14.2), 14.2.3 (14.2.3)

Writing an output file 14.1 (14.1), 14.2.1 (14.2.1), 14.3.4 (14.3.4)    

Xor operator
  [see: logical operator]    

YEAR (predefined function) 9.6 (9.6)