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-rw-r--r--MANUAL.txt13
1 files changed, 9 insertions, 4 deletions
diff --git a/MANUAL.txt b/MANUAL.txt
index afcb5c7fd..032ab5972 100644
--- a/MANUAL.txt
+++ b/MANUAL.txt
@@ -523,10 +523,15 @@ Reader options
`--extract-media=`*DIR*
-: Extract images and other media contained in a docx or epub container
- to the path *DIR*, creating it if necessary, and adjust the images
- references in the document so they point to the extracted files.
- This option only affects the docx and epub readers.
+: Extract images and other media contained in or linked from
+ the source document to the path *DIR*, creating it if
+ necessary, and adjust the images references in the document
+ so they point to the extracted files. If the source format is
+ a binary container (docx, epub, or odt), the media is
+ extracted from the container and the original
+ filenames are used. Otherwise the media is read from the
+ file system or downloaded, and new filenames are constructed
+ based on SHA1 hashes of the contents.
`--abbreviations=`*FILE*