--- graphics/qgis-ltr/Makefile	
+++ graphics/qgis-ltr/Makefile	
@@ -4,7 +4,7 @@ 
 PORTNAME=	qgis
 DISTVERSIONPREFIX=	final-
 DISTVERSION=	3_4_11
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	graphics geography
 PKGNAMESUFFIX=	-ltr
 
@@ -148,6 +148,11 @@ CXX=		clang++${LLVM_DEFAULT}
 post-patch:
 	@${REINPLACE_CMD} -e 's|markupsafe ||g' \
 		${WRKSRC}/python/ext-libs/CMakeLists.txt
+# Build failure with txt2tags > 3 (dropped --css-sugar & --css-inside)
+# https://github.com/qgis/QGIS/issues/33516
+.for f in INSTALL news
+	@${REINPLACE_CMD} -e 's|--css-sugar --css-inside||' ${WRKSRC}/doc/${f}.t2t
+.endfor
 
 pre-configure:
 	${MKDIR} ${CONFIGURE_WRKSRC}/bin && ${LN} -s ${PYTHON_CMD} ${CONFIGURE_WRKSRC}/bin/python3