[PATCH v2 3/4] doc: Clarify charset encoding of JSON output

[Austin Clements]

---
 doc/man1/notmuch-show.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/man1/notmuch-show.rst b/doc/man1/notmuch-show.rst
index 14d598a..78196ee 100644
--- a/doc/man1/notmuch-show.rst
+++ b/doc/man1/notmuch-show.rst
@@ -52,6 +52,9 @@ Supported options for **show** include
             by default,
             ``--format=json`` sets ``--entire-thread``. The caller can
             disable this behaviour by setting ``--entire-thread=false``.
+            The JSON output is always encoded as UTF-8 and any message
+            content included in the output will be charset-converted to
+            UTF-8.
 
         **sexp**
             The output is formatted as an S-Expression (sexp). This
-- 
1.9.1