Issue 4713/1: Fix texi2html obsoleted option

[lilypond.git] / make / doc-i18n-root-vars.make

diff --git a/make/doc-i18n-root-vars.make b/make/doc-i18n-root-vars.make
index 48cfcdbb123c9fd43313373e492ca1553cb867ed..9178d57b3642def3bef63aef46db99a843ebb247 100644 (file)
--- a/make/doc-i18n-root-vars.make
+++ b/make/doc-i18n-root-vars.make
@@ -41,7 +41,7 @@ WEB_MANUALS=web
 
 ###########
 ifneq ($(ISOLANG),)
-TEXI2HTML_LANG = --lang=$(ISOLANG)
+TEXI2HTML_LANG = --document-language=$(ISOLANG)
 endif
 
 $(XREF_MAPS_DIR)/web.$(ISOLANG).xref-map:\