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-rw-r--r--Build/source/texk/web2c/xetexdir/xetex.ch16
1 files changed, 16 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/xetexdir/xetex.ch b/Build/source/texk/web2c/xetexdir/xetex.ch
index 7009defd985..45331796f2d 100644
--- a/Build/source/texk/web2c/xetexdir/xetex.ch
+++ b/Build/source/texk/web2c/xetexdir/xetex.ch
@@ -3132,6 +3132,16 @@ goto done
@z
@x
+else if cur_cmd=def_family then
+ begin m:=cur_chr; scan_four_bit_int; f:=equiv(m+cur_val);
+ end
+@y
+else if cur_cmd=def_family then
+ begin m:=cur_chr; scan_math_fam_int; f:=equiv(m+cur_val);
+ end
+@z
+
+@x
@ When \TeX\ wants to typeset a character that doesn't exist, the
character node is not created; thus the output routine can assume
that characters exist when it sees them. The following procedure
@@ -5905,6 +5915,12 @@ whatsit_node: @<Let |d| be the width of the whatsit |p|, and |goto found| if ``v
@z
@x
+@d fam_in_range==((cur_fam>=0)and(cur_fam<16))
+@y
+@d fam_in_range==((cur_fam>=0)and(cur_fam<number_math_families))
+@z
+
+@x
letter,other_char,char_given: begin c:=ho(math_code(cur_chr));
if c=@'100000 then
@y