Merge pull request #340 from FerencBodon-Kx/master

improving type cross references

Author: natalietanner

docs/basics/datatypes.md

@@ -69,6 +69,7 @@ The type is a short int:
 [Cast](../ref/cast.md),
 [Tok](../ref/tok.md),
 [`type`](../ref/type.md),
+[`key`](../ref/key.md#type-of-a-vector),
 [`.Q.ty`](../ref/dotq.md#ty-type) (type)
 <br>
 :fontawesome-solid-book-open:

docs/ref/dotq.md

@@ -1994,7 +1994,7 @@ Since V3.6 2018.05.18.
 .Q.ty x
 ```
 
-Where `x` is a list, returns the type of `x` as a character code:
+Where `x` is a list, returns the [type](../basics/datatypes.md) of `x` as a character code:
 
 -   lower case for a vector
 -   upper case for a list of uniform type

docs/ref/type.md

@@ -43,6 +43,7 @@ q)type (0|+)                    / composition
 ----
 
 :fontawesome-solid-book:
+[`key`](key.md#type-of-a-vector),
 [.Q.ty](dotq.md#ty-type)
 <br>
 :fontawesome-solid-book-open: