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Drop note on Akka 2.0/Play 2.0

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I initially misread the note to mean Akka/Play 2.x.

Seeing as Akka 2.0 and Play 2.0 is close to 7 years ago, we can lose the note now?

* https://github.com/akka/akka/releases/tag/v2.0
* https://github.com/playframework/playframework/releases/tag/2.0
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Dale Wijnand 2019-01-28 15:44:58 +00:00
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@ -317,11 +317,6 @@ String value concatenation is allowed in field keys, in addition
to field values and array elements. Objects and arrays do not make to field values and array elements. Objects and arrays do not make
sense as field keys. sense as field keys.
Note: Akka 2.0 (and thus Play 2.0) contains an embedded
implementation of the config lib which does not support array and
object value concatenation; it only supports string value
concatenation.
#### String value concatenation #### String value concatenation
String value concatenation is the trick that makes unquoted String value concatenation is the trick that makes unquoted
@ -739,9 +734,6 @@ optional (`${?a}` not `${a}`), which allows `a += b` to be the
first mention of `a` in the file (it is not necessary to have `a = first mention of `a` in the file (it is not necessary to have `a =
[]` first). []` first).
Note: Akka 2.0 (and thus Play 2.0) contains an embedded
implementation of the config lib which does not support `+=`.
#### Examples of Self-Referential Substitutions #### Examples of Self-Referential Substitutions
In isolation (with no merges involved), a self-referential field In isolation (with no merges involved), a self-referential field
@ -959,11 +951,6 @@ word `"include"`, only unquoted `include` is special:
{ "include" : 42 } { "include" : 42 }
Note: Akka 2.0 (and thus Play 2.0) contains an embedded
implementation of the config lib which does not support the
`url()`/`file()`/`classpath()` syntax. Only the heuristic `include
"foo"` syntax is supported in that version.
#### Include semantics: merging #### Include semantics: merging
An _including file_ contains the include statement and an An _including file_ contains the include statement and an