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-rw-r--r--tex/context/base/mkxl/typo-ada.mkxl23
1 files changed, 16 insertions, 7 deletions
diff --git a/tex/context/base/mkxl/typo-ada.mkxl b/tex/context/base/mkxl/typo-ada.mkxl
index 8da36f5e4..6e686a932 100644
--- a/tex/context/base/mkxl/typo-ada.mkxl
+++ b/tex/context/base/mkxl/typo-ada.mkxl
@@ -21,13 +21,22 @@
\unprotect
-\newdimension\d_adaptive_width \aliasdimension\usedadaptivewidth \d_adaptive_width
-\newdimension\d_adaptive_height \aliasdimension\usedadaptiveheight\d_adaptive_height
-\newdimension\d_adaptive_depth \aliasdimension\usedadaptivedepth \d_adaptive_depth
-\newdimension\d_adaptive_line \aliasdimension\usedadaptiveline \d_adaptive_line
-\newdimension\d_adaptive_hsize \aliasdimension\usedadaptivehsize \d_adaptive_hsize
-
-\newbox \b_adaptive_box \aliased\let\usedadaptivebox\b_adaptive_box
+\ifdefined\d_adaptive_width \else
+ \newdimension\d_adaptive_width
+ \newdimension\d_adaptive_height
+ \newdimension\d_adaptive_depth
+ \newdimension\d_adaptive_line
+ \newdimension\d_adaptive_hsize
+ \newbox \b_adaptive_box
+\fi
+
+\aliasdimension\usedadaptivewidth \d_adaptive_width
+\aliasdimension\usedadaptiveheight\d_adaptive_height
+\aliasdimension\usedadaptivedepth \d_adaptive_depth
+\aliasdimension\usedadaptiveline \d_adaptive_line
+\aliasdimension\usedadaptivehsize \d_adaptive_hsize
+
+\aliased\let\usedadaptivebox\b_adaptive_box
\mutable\lettonothing\m_adaptive_color