Support indenting unicode strings

Project.toml

@@ -1,7 +1,7 @@
 name = "MultilineStrings"
 uuid = "1e8d2bf6-9821-4900-9a2f-4d87552df2bd"
 authors = ["Invenia Technical Computing Corporation"]
-version = "0.1.1"
+version = "1.0.0"
 
 [compat]
 Aqua = "0.8.11"

src/indent.jl

@@ -22,7 +22,8 @@ function indent(str::AbstractString, n::Int)
 
     line_start = firstindex(str)
     blank_line = true
-    for (i, ch) in enumerate(str)
+    for i in eachindex(str)
+        ch = str[i]
         if ch == '\n'
             !blank_line && print(buf, indent_str)
             print(buf, SubString(str, line_start, i))

test/indent.jl

@@ -5,4 +5,6 @@
 
     @test indent("a", 4) == "    a"
     @test indent("a\n\nb", 4) == "    a\n\n    b"
+
+    @test indent("三\nb", 4) == "    三\n    b"
 end