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authorPatrik Nyblom <[email protected]>2012-08-20 18:19:52 +0200
committerPatrik Nyblom <[email protected]>2012-08-20 18:19:52 +0200
commita8fb0d0537314f717f9ab33989a5115457c9aab0 (patch)
tree07dcacdaa266c01391a8e422c60c7b6ff9c810cf /lib/kernel/doc
parent00ef468474d0628903e0a3a3abc7aceb8d2c4061 (diff)
parenta49b1a844febb2740c530895b32c0bb0ae7d5aa0 (diff)
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Merge branch 'maint'
Conflicts: erts/doc/src/erlang.xml erts/preloaded/ebin/init.beam lib/kernel/doc/src/os.xml lib/stdlib/test/filename_SUITE.erl
Diffstat (limited to 'lib/kernel/doc')
-rw-r--r--lib/kernel/doc/src/os.xml15
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/kernel/doc/src/os.xml b/lib/kernel/doc/src/os.xml
index 621ca6e9ee..5e182de41d 100644
--- a/lib/kernel/doc/src/os.xml
+++ b/lib/kernel/doc/src/os.xml
@@ -80,6 +80,10 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
Each environment variable is given as a single string on
the format <c>"VarName=Value"</c>, where <c>VarName</c> is
the name of the variable and <c>Value</c> its value.</p>
+ <p>If Unicode file name encoding is in effect (see the <seealso
+ marker="erts:erl#file_name_encoding">erl manual
+ page</seealso>), the strings may contain characters with
+ codepoints > 255.</p>
</desc>
</func>
<func>
@@ -89,6 +93,10 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
<p>Returns the <c><anno>Value</anno></c> of the environment variable
<c><anno>VarName</anno></c>, or <c>false</c> if the environment variable
is undefined.</p>
+ <p>If Unicode file name encoding is in effect (see the <seealso
+ marker="erts:erl#file_name_encoding">erl manual
+ page</seealso>), the strings (both <c><anno>VarName</anno></c> and
+ <c><anno>Value</anno></c>) may contain characters with codepoints > 255.</p>
</desc>
</func>
<func>
@@ -111,6 +119,13 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
<desc>
<p>Sets a new <c><anno>Value</anno></c> for the environment variable
<c><anno>VarName</anno></c>.</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><anno>VarName</anno></c> and
+ <c><anno>Value</anno></c>) may contain characters with codepoints > 255.</p>
+ <p>On Unix platforms, the environment will be set using UTF-8 encoding
+ if Unicode file name translation is in effect. On Windows the
+ environment is set using wide character interfaces.</p>
</desc>
</func>
<func>