diff options
Diffstat (limited to 'lib/kernel/doc/src/logger_formatter.xml')
| -rw-r--r-- | lib/kernel/doc/src/logger_formatter.xml | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/lib/kernel/doc/src/logger_formatter.xml b/lib/kernel/doc/src/logger_formatter.xml index e777afaf86..5a060fd42b 100644 --- a/lib/kernel/doc/src/logger_formatter.xml +++ b/lib/kernel/doc/src/logger_formatter.xml @@ -78,10 +78,17 @@ format controls ~p and ~w are replaced with ~P and ~W, respectively, and the value is used as the depth parameter. For details, see - <seealso marker="stdlib:io#format-2">io:format/2,3</seealso> + <seealso marker="stdlib:io#format-2"><c>io:format/2,3</c></seealso> in STDLIB.</p> <p>Defaults to <c>unlimited</c>.</p> </item> + <tag><c>encoding = </c><seealso marker="stdlib:unicode#type-encoding"> + <c>unicode:encoding()</c></seealso></tag> + <item> + <p>This parameter must reflect the encoding of the device + that the handler prints to.</p> + <p>Defaults to <c>utf8</c></p> + </item> <tag><c>legacy_header = boolean()</c></tag> <item> <p>If set to <c>true</c> a header field is added to @@ -105,7 +112,8 @@ by <c>chars_limit</c> or <c>depth</c>, it is truncated.</p> <p>Defaults to <c>unlimited</c>.</p> </item> - <tag><c>report_cb = fun((</c><seealso marker="logger#type-report"><c>logger:report()</c></seealso><c>) -> {</c><seealso marker="stdlib:io#type-format"><c>io:format()</c></seealso><c>, [term()]})</c></tag> + <tag><c>report_cb = </c><seealso marker="logger#type-report_cb"> + <c>logger:report_cb()</c></seealso></tag> <item> <p>A report callback is used by the formatter to transform log messages on report form to a format string and @@ -119,16 +127,19 @@ both the default report callback, and any report callback found in metadata. That is, all reports are converted by this configured function.</p> - <p>The value must be a function with arity 1, - returning <c>{Format,Args}</c>, and it will be called - with a report as only argument.</p> </item> <tag><c>single_line = boolean()</c></tag> <item> - <p>If set to <c>true</c>, all newlines in the message are - replaced with <c>", "</c>, and white spaces following - directly after newlines are removed. Notice that newlines - added by the <c>template</c> parameter are not replaced.</p> + <p>If set to <c>true</c>, each log event is printed as a + single line. To achieve this, <c>logger_formatter</c> + sets the field width to <c>0</c> for all <c>~p</c> + and <c>~P</c> control sequences in the format a string + (see <seealso marker="stdlib:io#format-2"> + <c>io:format/2</c></seealso>), and replaces all + newlines in the message with <c>", "</c>. White spaces + following directly after newlines are removed. Notice + that newlines added by the <c>template</c> parameter are + not replaced.</p> <p>Defaults to <c>true</c>.</p> </item> <tag><marker id="template"/> |