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-rw-r--r--lib/observer/src/observer_tv_table.erl20
1 files changed, 19 insertions, 1 deletions
diff --git a/lib/observer/src/observer_tv_table.erl b/lib/observer/src/observer_tv_table.erl
index d339a853cb..97d18ec03c 100644
--- a/lib/observer/src/observer_tv_table.erl
+++ b/lib/observer/src/observer_tv_table.erl
@@ -762,7 +762,7 @@ format_tuple(_Tuple, 1, 0) ->
format_list([]) -> "[]";
format_list(List) ->
case printable_list(List) of
- true -> io_lib:format("\"~ts\"", [List]);
+ true -> io_lib:format("\"~ts\"", [map_printable_list(List)]);
false -> [$[ | make_list(List)]
end.
@@ -771,6 +771,24 @@ make_list([Last]) ->
make_list([Head|Tail]) ->
[format(Head), $,|make_list(Tail)].
+map_printable_list([$\n|Cs]) ->
+ [$\\, $n|map_printable_list(Cs)];
+map_printable_list([$\r|Cs]) ->
+ [$\\, $r|map_printable_list(Cs)];
+map_printable_list([$\t|Cs]) ->
+ [$\\, $t|map_printable_list(Cs)];
+map_printable_list([$\v|Cs]) ->
+ [$\\, $v|map_printable_list(Cs)];
+map_printable_list([$\b|Cs]) ->
+ [$\\, $b|map_printable_list(Cs)];
+map_printable_list([$\f|Cs]) ->
+ [$\\, $f|map_printable_list(Cs)];
+map_printable_list([$\e|Cs]) ->
+ [$\\, $e|map_printable_list(Cs)];
+map_printable_list([]) -> [];
+map_printable_list([C|Cs]) ->
+ [C|map_printable_list(Cs)].
+
%% printable_list([Char]) -> bool()
%% Return true if CharList is a list of printable characters, else
%% false.