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-rw-r--r--erts/doc/src/erl.xml2
-rw-r--r--erts/doc/src/erlang.xml11
2 files changed, 10 insertions, 3 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index f8a92e1ec4..8c028e1d14 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -533,7 +533,7 @@
<p>Force the <c>compressed</c> option on all ETS tables.
Only intended for test and evaluation.</p>
</item>
- <tag><c><![CDATA[+fnl]]></c></tag>
+ <tag><marker id="file_name_encoding"></marker><c><![CDATA[+fnl]]></c></tag>
<item>
<p>The VM works with file names as if they are encoded using the ISO-latin-1 encoding, disallowing Unicode characters with codepoints beyond 255. This is default on operating systems that have transparent file naming, i.e. all Unixes except MacOSX.</p>
</item>
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index e4f245975b..248b755969 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -2863,6 +2863,10 @@ os_prompt% </pre>
<p>It can only be used to check the local time of day if
the time-zone info of the underlying operating system is
properly configured.</p>
+ <p>If you do not need the return value to be unique and
+ monotonically increasing, use
+ <seealso marker="kernel:os#timestamp/0">os:timestamp/0</seealso>
+ instead to avoid some overhead.</p>
</desc>
</func>
<func>
@@ -3035,8 +3039,11 @@ os_prompt% </pre>
port process. Both <c>Name</c> and <c>Val</c> must be
strings. The one exception is <c>Val</c> being the atom
<c>false</c> (in analogy with <c>os:getenv/1</c>), which
- removes the environment variable. Not available on
- VxWorks.</p>
+ removes the environment variable.</p>
+ <p>If Unicode filename encoding is in effect (see the <seealso
+ marker="erts:erl#file_name_encoding">erl manual
+ page</seealso>), the strings (both <c>Name</c> and
+ <c>Value</c>) may contain characters with codepoints > 255.</p>
</item>
<tag><c>{args, [ string() ]}</c></tag>
<item>