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authorHans Bolinder <[email protected]>2017-04-19 16:10:15 +0200
committerHans Bolinder <[email protected]>2017-04-24 14:51:03 +0200
commitef0dbc4f2a43d629d086c3e2b9a762bbc00d034b (patch)
treede3dd7b8d268f0819453920f8b6e8efb7212477e /lib/stdlib/doc/src/io.xml
parent739bca3fc267c55d84c8f5c193d16c0b2a7eee13 (diff)
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stdlib: Add Unicode modifier t to control sequences w and W
As of the introduction of Unicode characters in atoms, the control sequences 'w' and 'W' can return non-Latin-1 characters, unless some measure is taken. This commit makes sure that '~w' and '~W' always return Latin-1 characters, or bytes, which can be output to ports or written to raw files. The Unicode translation modifier 't' is needed to return non-Latin-1 characters.
Diffstat (limited to 'lib/stdlib/doc/src/io.xml')
-rw-r--r--lib/stdlib/doc/src/io.xml4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/stdlib/doc/src/io.xml b/lib/stdlib/doc/src/io.xml
index 11a64c7f8a..74b57457ea 100644
--- a/lib/stdlib/doc/src/io.xml
+++ b/lib/stdlib/doc/src/io.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2016</year>
+ <year>1996</year><year>2017</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -265,6 +265,8 @@ ok
<p>Writes data with the standard syntax. This is used to
output Erlang terms. Atoms are printed within quotes if
they contain embedded non-printable characters.
+ Atom characters &gt; 255 are escaped unless the
+ Unicode translation modifier (<c>t</c>) is used.
Floats are printed accurately as the shortest, correctly
rounded string.</p>
</item>