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-rw-r--r--README-maintainer6
1 files changed, 4 insertions, 2 deletions
diff --git a/README-maintainer b/README-maintainer
index 545612c4..3658a347 100644
--- a/README-maintainer
+++ b/README-maintainer
@@ -179,9 +179,11 @@ CODING RULES
the shared object boundary (or "shared library boundary" -- we may
use either term in comments and documentation). In particular,
anything new derived from Pipeline or InputSource should be marked
- with QPDF_DLL_CLASS, but we don't need to do it for QPDFObjectHelper
+ with QPDF_DLL_CLASS. We shouldn't need to do it for QPDFObjectHelper
or QPDFDocumentHelper subclasses since there's no reason to use
- dynamic_cast with those.
+ dynamic_cast with those, but doing it anyway may help with some
+ strange cases for mingw or with some code generators that may
+ systematically do this for other reasons.
IMPORTANT NOTE ABOUT QPDF_DLL_CLASS: On mingw, the vtable for a
class with some virtual methods and no pure virtual methods seems