Attach docstring for 'abstract type' to 'abstract' too. (#37636)

Author: fredrikekre

base/docs/basedocs.jl

@@ -70,7 +70,7 @@ abstract type Real <: Number end
 ```
 [`Number`](@ref) has no supertype, whereas [`Real`](@ref) is an abstract subtype of `Number`.
 """
-kw"abstract type"
+kw"abstract type", kw"abstract"
 
 """
     module

stdlib/REPL/test/repl.jl

@@ -1056,7 +1056,7 @@ for (line, expr) in Pair[
 end
 
 # PR 30754, Issues #22013, #24871, #26933, #29282, #29361, #30348
-for line in ["′", "abstract", "type"]
+for line in ["′", "type"]
     @test occursin("No documentation found.",
         sprint(show, help_result(line)::Union{Markdown.MD,Nothing}))
 end