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-rw-r--r--lib/kernel/doc/src/error_logger.xml20
-rw-r--r--lib/kernel/doc/src/kernel_app.xml2
-rw-r--r--lib/stdlib/src/error_logger_file_h.erl2
3 files changed, 21 insertions, 3 deletions
diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml
index 27db00819f..91bf57cb91 100644
--- a/lib/kernel/doc/src/error_logger.xml
+++ b/lib/kernel/doc/src/error_logger.xml
@@ -126,6 +126,12 @@ ok</pre>
<seealso marker="#error_report/1"><c>error_report/1</c></seealso>
instead.</p>
</warning>
+ <warning>
+ <p>If the Unicode translation modifier (<c>t</c>) is used in
+ the format string, all error handlers must ensure that the
+ formatted output is correctly encoded for the I/O
+ device.</p>
+ </warning>
</desc>
</func>
<func>
@@ -197,6 +203,12 @@ ok</pre>
the standard event handler, meaning no further events are
logged. When in doubt, use <c>info_report/1</c> instead.</p>
</warning>
+ <warning>
+ <p>If the Unicode translation modifier (<c>t</c>) is used in
+ the format string, all error handlers must ensure that the
+ formatted output is correctly encoded for the I/O
+ device.</p>
+ </warning>
</desc>
</func>
<func>
@@ -262,7 +274,7 @@ ok</pre>
successful, or <c>{error, allready_have_logfile}</c> if
logging to file is already enabled, or an error tuple if
another error occurred (for example, if <c><anno>Filename</anno></c>
- cannot be opened).</p>
+ cannot be opened). The file is opened with encoding UTF-8.</p>
</item>
<tag><c>close</c></tag>
<item>
@@ -345,6 +357,12 @@ ok</pre>
the standard event handler, meaning no further events are
logged. When in doubt, use <c>warning_report/1</c> instead.</p>
</warning>
+ <warning>
+ <p>If the Unicode translation modifier (<c>t</c>) is used in
+ the format string, all error handlers must ensure that the
+ formatted output is correctly encoded for the I/O
+ device.</p>
+ </warning>
</desc>
</func>
<func>
diff --git a/lib/kernel/doc/src/kernel_app.xml b/lib/kernel/doc/src/kernel_app.xml
index 75e1e18d86..e5ac031539 100644
--- a/lib/kernel/doc/src/kernel_app.xml
+++ b/lib/kernel/doc/src/kernel_app.xml
@@ -186,7 +186,7 @@
<tag><c>{file, FileName}</c></tag>
<item><p>Installs the standard event handler, which prints error
reports to file <c>FileName</c>, where <c>FileName</c>
- is a string.</p></item>
+ is a string. The file is opened with encoding UTF-8.</p></item>
<tag><c>false</c></tag>
<item>
<p>No standard event handler is installed, but
diff --git a/lib/stdlib/src/error_logger_file_h.erl b/lib/stdlib/src/error_logger_file_h.erl
index 76f89841b9..b7c193f965 100644
--- a/lib/stdlib/src/error_logger_file_h.erl
+++ b/lib/stdlib/src/error_logger_file_h.erl
@@ -55,7 +55,7 @@ init(File) ->
init(File, PrevHandler) ->
process_flag(trap_exit, true),
- case file:open(File, [write]) of
+ case file:open(File, [write,{encoding,utf8}]) of
{ok,Fd} ->
Depth = error_logger:get_format_depth(),
State = #st{fd=Fd,filename=File,prev_handler=PrevHandler,