1 files changed, 45 insertions, 4 deletions
diff --git a/tex/context/base/mkiv/font-pre.mkiv b/tex/context/base/mkiv/font-pre.mkiv
index b49bc560e..c1c24b854 100644
--- a/tex/context/base/mkiv/font-pre.mkiv
+++ b/tex/context/base/mkiv/font-pre.mkiv
@@ -53,10 +53,7 @@
    script=auto,  % on speed; 'base' just doesn't play well with dynamics; some day we can even
    autoscript=position,
    autolanguage=position,
-% ccmp=yes,
    kern=yes,     % consider skipping the base passes when no base mode is used
-% palt=yes,
-% pwid=yes,
    mark=yes,
    mkmk=yes,
    curs=yes]
@@ -323,6 +320,22 @@
 \definefontfeature [tamil-two]      [tamil-one]      [script=tml2]
 \definefontfeature [telugu-two]     [telugu-one]     [script=tel2]
 
+% tibetan
+
+\definefontfeature
+  [tibetan]
+  [always]
+  [script=tibt,
+   language=dflt,
+   locl=yes,
+   ccmp=yes,
+   abvs=yes,
+   blws=yes,
+   calt=yes,
+   liga=yes,
+   abvm=yes,
+   blwm=yes]
+
 % cjk
 
 \definefontfeature
@@ -452,9 +465,37 @@
   [slanted]
   [slant=.2]
 
+% \definefontfeature
+%   [boldened]
+%   [extend=1.2]
+
+%D Neat:
+
+% By eye:
+%
+% \definefontfeature[boldened-10][effect={width=0.10,delta=1.0,hdelta=0.500,ddelta=0.150,vshift=0.125,extend=1.025,squeeze=0.99250}]
+% \definefontfeature[boldened-15][effect={width=0.15,delta=1.0,hdelta=0.500,ddelta=0.150,vshift=0.250,extend=1.050,squeeze=0.98750}]
+% \definefontfeature[boldened-20][effect={width=0.20,delta=1.0,hdelta=0.500,ddelta=0.150,vshift=0.375,extend=1.075,squeeze=0.98125}]
+% \definefontfeature[boldened-30][effect={width=0.30,delta=1.0,hdelta=0.500,ddelta=0.150,vshift=0.500,extend=1.100,squeeze=0.97500}]
+%
+% By calculation:
+%
+% \definefontfeature[boldened-10][effect={width=0.10,delta=1.0,hdelta=0.02500,ddelta=0.02500,vshift=0.02500,extend=1.050,squeeze=0.99500}]
+% \definefontfeature[boldened-15][effect={width=0.15,delta=1.0,hdelta=0.05625,ddelta=0.05625,vshift=0.05625,extend=1.075,squeeze=0.99250}]
+% \definefontfeature[boldened-20][effect={width=0.20,delta=1.0,hdelta=0.10000,ddelta=0.10000,vshift=0.10000,extend=1.100,squeeze=0.99000}]
+% \definefontfeature[boldened-30][effect={width=0.30,delta=1.0,hdelta=0.22500,ddelta=0.22500,vshift=0.22500,extend=1.150,squeeze=0.98500}]
+%
+% So we can do this:
+
+\definefontfeature[boldened-10][effect={width=0.10,auto=yes}]
+\definefontfeature[boldened-15][effect={width=0.15,auto=yes}]
+\definefontfeature[boldened-20][effect={width=0.20,auto=yes}]
+\definefontfeature[boldened-25][effect={width=0.25,auto=yes}]
+\definefontfeature[boldened-30][effect={width=0.30,auto=yes}]
+
 \definefontfeature
   [boldened]
-  [extend=1.2]
+  [boldened-30]
 
 %D Emoji: