Add docstring for err in the REPL (#48300)

Seelengrab · pull[bot] · commit b3872c82322b · 2023-01-22T05:13:39.000Z
* Add docstring for `err` in the REPL

* Add `err` to Essentials docs

Co-authored-by: Sukera &lt;Seelengrab@users.noreply.github.com&gt;
diff --git a/base/docs/basedocs.jl b/base/docs/basedocs.jl
@@ -1456,6 +1456,14 @@ A variable referring to the last computed value, automatically set at the intera
 """
 kw"ans"
 
+"""
+    err
+
+A variable referring to the last thrown errors, automatically set at the interactive prompt.
+The thrown errors are collected in a stack of exceptions.
+"""
+kw"err"
+
 """
     devnull
 
diff --git a/doc/src/base/base.md b/doc/src/base/base.md
@@ -37,6 +37,7 @@ Base.which(::Any, ::Any)
 Base.methods
 Base.@show
 ans
+err
 Base.active_project
 Base.set_active_project
 ```
