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-rw-r--r--lib/stdlib/doc/src/filename.xml6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/stdlib/doc/src/filename.xml b/lib/stdlib/doc/src/filename.xml
index bc3a616d39..9296319b83 100644
--- a/lib/stdlib/doc/src/filename.xml
+++ b/lib/stdlib/doc/src/filename.xml
@@ -295,6 +295,12 @@
<p>Finds the source filename and compiler options for a module.
The result can be fed to <c>compile:file/2</c> in order to
compile the file again.</p>
+
+ <warning><p>We don't recommend using this function. If possible,
+ use <seealso marker="beam_lib">beam_lib(3)</seealso> to extract
+ the abstract code format from the BEAM file and compile that
+ instead.</p></warning>
+
<p>The <c><anno>Beam</anno></c> argument, which can be a string or an atom,
specifies either the module name or the path to the source
code, with or without the <c>".erl"</c> extension. In either