Revert "More consistent return value for annotations" (#53309)

Reverts #53281 as it appears to have broken CI on all
subsequent commits:
#53281 (comment)

According to the CI logs, it is this test that aborts early on in the
rr-trace log:
```
Pkg.test(TEST_PKG.name; coverage = coverage_path)
```

base/strings/annotated.jl

@@ -153,7 +153,7 @@ lastindex(s::AnnotatedString) = lastindex(s.string)
 function getindex(s::AnnotatedString, i::Integer)
     @boundscheck checkbounds(s, i)
     @inbounds if isvalid(s, i)
-        AnnotatedChar(s.string[i], map(last, annotations(s, i)))
+        AnnotatedChar(s.string[i], annotations(s, i))
     else
         string_index_err(s, i)
     end
@@ -354,16 +354,12 @@ annotate!(c::AnnotatedChar, @nospecialize(labelval::Pair{Symbol, <:Any})) =
     (push!(c.annotations, labelval); c)
 
 """
-    annotations(str::Union{AnnotatedString, SubString{AnnotatedString}},
-                [position::Union{Integer, UnitRange}]) ->
-        Vector{Tuple{UnitRange{Int}, Pair{Symbol, Any}}}
+    annotations(str::AnnotatedString, [position::Union{Integer, UnitRange}])
+    annotations(str::SubString{AnnotatedString}, [position::Union{Integer, UnitRange}])
 
 Get all annotations that apply to `str`. Should `position` be provided, only
 annotations that overlap with `position` will be returned.
 
-Annotations are provided together with the regions they apply to, in the form of
-a vector of region–annotation tuples.
-
 See also: `annotate!`.
 """
 annotations(s::AnnotatedString) = s.annotations
@@ -373,22 +369,22 @@ annotations(s::SubString{<:AnnotatedString}) =
 
 function annotations(s::AnnotatedString, pos::UnitRange{<:Integer})
     # TODO optimise
-    filter(label -> !isempty(intersect(pos, first(label))),
-           s.annotations)
+    annots = filter(label -> !isempty(intersect(pos, first(label))),
+                    s.annotations)
+    last.(annots)
 end
 
 annotations(s::AnnotatedString, pos::Integer) = annotations(s, pos:pos)
 
 annotations(s::SubString{<:AnnotatedString}, pos::Integer) =
     annotations(s.string, s.offset + pos)
-
 annotations(s::SubString{<:AnnotatedString}, pos::UnitRange{<:Integer}) =
     annotations(s.string, first(pos)+s.offset:last(pos)+s.offset)
 
 """
-    annotations(chr::AnnotatedChar) -> Vector{Pair{Symbol, Any}}
+    annotations(chr::AnnotatedChar)
 
-Get all annotations of `chr`, in the form of a vector of annotation pairs.
+Get all annotations of `chr`.
 """
 annotations(c::AnnotatedChar) = c.annotations
 

deps/checksums/StyledStrings-a1b2ae2434cd7d8199fa8647339422fe0e1d0324.tar.gz/md5

@@ -0,0 +1 @@
+c1fd1bb7e3f9ab00afe0758a8a101374

deps/checksums/StyledStrings-a1b2ae2434cd7d8199fa8647339422fe0e1d0324.tar.gz/sha512

@@ -0,0 +1 @@
+373302f1d32a5b5ad0efacf14fa82a16fd877c11ca589fc1f1492eb1d4bcd0f49a2a5a3f471f8577649309c8a03634e7467e31b403cfd6ab8a8e4a775d7f4e53

stdlib/StyledStrings.version

@@ -1,4 +1,4 @@
 STYLEDSTRINGS_BRANCH = main
-STYLEDSTRINGS_SHA1 = e0ca0f85412ea5cafabfeaaec4d62ca26c3959d2
+STYLEDSTRINGS_SHA1 = a1b2ae2434cd7d8199fa8647339422fe0e1d0324
 STYLEDSTRINGS_GIT_URL := https://github.com/JuliaLang/StyledStrings.jl.git
 STYLEDSTRINGS_TAR_URL = https://api.github.com/repos/JuliaLang/StyledStrings.jl/tarball/$1