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-rw-r--r--_doc/SPECS.adoc2
1 files changed, 1 insertions, 1 deletions
diff --git a/_doc/SPECS.adoc b/_doc/SPECS.adoc
index 6a5244f..7bfae81 100644
--- a/_doc/SPECS.adoc
+++ b/_doc/SPECS.adoc
@@ -128,7 +128,7 @@ DOC_REV_DATE = 1*2DIGIT 3*ALPHA 4*DIGIT
There are also metadata which affect how the document rendered,
----
-DOC_ATTRIBUTE = ":" DOC_ATTR_KEY ":" *STRING LF
+DOC_ATTRIBUTE = ":" DOC_ATTR_KEY ":" *LINE ("\" *LINE) LF
DOC_ATTR_KEY = ( "toc" / "sectanchors" / "sectlinks"
/ "imagesdir" / "data-uri" / *META_KEY ) LF