2023-04-01 09:31:00

22 files changed, 253 insertions, 55 deletions

diff --git a/tex/context/fonts/mkiv/bonum-math.lfg b/tex/context/fonts/mkiv/bonum-math.lfg
index 56262eb32..aa35c7b5a 100644
--- a/tex/context/fonts/mkiv/bonum-math.lfg
+++ b/tex/context/fonts/mkiv/bonum-math.lfg
@@ -233,6 +233,13 @@ return {
                     tweak = "addrules",
                 },
                 {
+                    tweak    = "replacerules",
+                 -- minus    = true, -- we have an extensible
+                    fraction = { height = .244, yoffset = .757 },
+                    radical  = { height = .244, yoffset = .754 },
+                    stacker  = { height = .244, yoffset = .757 },
+                },
+                {
                     -- This tweak is only needed for the funny arrows and these now get properly
                     -- centered. (Could actually be done in the engine).
                     tweak = "addarrows",
diff --git a/tex/context/fonts/mkiv/cambria-math.lfg b/tex/context/fonts/mkiv/cambria-math.lfg
index a855a2513..9ad2c3afc 100644
--- a/tex/context/fonts/mkiv/cambria-math.lfg
+++ b/tex/context/fonts/mkiv/cambria-math.lfg
@@ -131,6 +131,26 @@ return {
                     tweak = "addrules",
                 },
                 {
+                    tweak    = "replacerules",
+                    minus = {
+                        leftoffset  = .0925,
+                        rightoffset = .0925,
+                    },
+                    fraction = {
+                        height  = .204,
+                        yoffset = .796,
+                    },
+                    radical  = {
+                        height     = .204,
+                        yoffset    = .796,
+                     -- leftoffset = .075,
+                    },
+                    stacker  = {
+                        height  = .204,
+                        yoffset = .796,
+                    },
+                },
+                {
                     tweak = "wipecues",
                 },
                 {
diff --git a/tex/context/fonts/mkiv/common-math-jmn.lfg b/tex/context/fonts/mkiv/common-math-jmn.lfg
index bcbe77962..1ebb7db39 100644
--- a/tex/context/fonts/mkiv/common-math-jmn.lfg
+++ b/tex/context/fonts/mkiv/common-math-jmn.lfg
@@ -55,6 +55,10 @@ return {
                 local sfm = ps("flat rule middle piece")
                 local sfr = ps("flat rule right piece")
 
+                local mrl = ps("minus rule left piece")
+                local mrm = ps("minus rule middle piece")
+                local mrr = ps("minus rule right piece")
+
                 local dfl = ps("flat double rule left piece")
                 local dfm = ps("flat double rule middle piece")
                 local dfr = ps("flat double rule right piece")
@@ -66,6 +70,7 @@ return {
                 local dar = ps("double arrow right piece")
 
                 local rad = ps("radical bar extender")
+                local frc = ps("fraction bar extender")
 
                 local antykwa = characters[srm]
 
@@ -104,11 +109,13 @@ return {
                 builders.jointwo(main,0x27FA,dal,joinrelfactor,dar)
 
                 if antykwa then
-                    builders.horibar(main,0x203E,srm,srl,srr,0x02212) -- overbar underbar fraction (we take 90/91/92 too!)
-                 -- builders.horibar(main,0x203E,srm,srl,srr,0x0002D) -- overbar underbar fraction (we take 90/91/92 too!)
-                    builders.rootbar(main,rad,srm,srr,0x02212) -- radical
+                    builders.horibar(main,0x2212,mrm,mrl,mrr,0x2212,true,srm,srl,srr) -- minus
+                    builders.horibar(main,0x203E,srm,srl,srr,0x2212) -- overbar underbar fraction (we take 90/91/92 too!)
+                    builders.horibar(main,frc,srm,srl,srr,0x2212)    -- fraction
+                    builders.rootbar(main,rad,srm,srr,0x2212)        -- radical
                 else
-                    builders.horibar(main,0x203E,0xFE073) -- overbar underbar
+                    builders.horibar(main,0x2212,false,false,false,0x2212,true) -- minus
+                    builders.horibar(main,0x203E,false,false,false,0x02212)
                 end
 
                 local ffactor = antykwa and 1 or 1
diff --git a/tex/context/fonts/mkiv/concrete-math.lfg b/tex/context/fonts/mkiv/concrete-math.lfg
index b69ee0103..53972ab05 100644
--- a/tex/context/fonts/mkiv/concrete-math.lfg
+++ b/tex/context/fonts/mkiv/concrete-math.lfg
@@ -87,6 +87,13 @@ return {
                     advance = 0.6,
                 },
                 {
+                    tweak    = "replacerules",
+                    minus    = true,
+                    fraction = { height = .2, yoffset = .8 },
+                    radical  = { height = .2, yoffset = .8, leftoffset = .2 },
+                    stacker  = { height = .2, yoffset = .8 },
+                },
+                {
                     tweak = "addactuarian",
                 },
                 {
diff --git a/tex/context/fonts/mkiv/dejavu-math.lfg b/tex/context/fonts/mkiv/dejavu-math.lfg
index 03f869288..f3e1011ad 100644
--- a/tex/context/fonts/mkiv/dejavu-math.lfg
+++ b/tex/context/fonts/mkiv/dejavu-math.lfg
@@ -145,6 +145,13 @@ return {
                     tweak = "addrules",
                 },
                 {
+                    tweak    = "replacerules",
+                 -- minus    = true, -- we have an extensible
+                    fraction = { height = .254, yoffset = .746 },
+                    radical  = { height = .254, yoffset = .746, yscale = .912 },
+                    stacker  = { height = .254, yoffset = .746 },
+                },
+                {
                     tweak = "wipecues",
                 },
                 {
diff --git a/tex/context/fonts/mkiv/ebgaramond-math.lfg b/tex/context/fonts/mkiv/ebgaramond-math.lfg
index f6f552dfe..bf9a2e027 100644
--- a/tex/context/fonts/mkiv/ebgaramond-math.lfg
+++ b/tex/context/fonts/mkiv/ebgaramond-math.lfg
@@ -174,20 +174,23 @@ return {
                 },
                 {
                     tweak    = "replacerules",
+                    minus = {
+                        leftoffset  = .075,
+                        rightoffset = .075,
+                    },
                     fraction = {
-                        template = "minus", -- 0x2212,
-                        xoffset  = 0.075,
-                        yoffset  = 0.9,
-                     -- width    = 0.85,
-                     -- height   = 0.1,
+                        height  = .2,
+                        yoffset = .8,
                     },
                     radical = {
-                        template = "minus", -- 0x2212,
-                        xoffset  = 0.075,
-                        yoffset  = 0.9,
-                        yscale   = 0.975,
-                     -- width    = 0.85,
-                     -- height   = 0.1,
+                        height     = .2,
+                        yoffset    = .8,
+                        leftoffset = .075,
+                        yscale     = .9775,
+                    },
+                    stacker = {
+                        height  = .2,
+                        yoffset = .8,
                     },
                 },
                 {
diff --git a/tex/context/fonts/mkiv/erewhon-math.lfg b/tex/context/fonts/mkiv/erewhon-math.lfg
index 54cc687fa..68a088d3f 100644
--- a/tex/context/fonts/mkiv/erewhon-math.lfg
+++ b/tex/context/fonts/mkiv/erewhon-math.lfg
@@ -90,6 +90,28 @@ return {
                 {
                     tweak = "addrules",
                 },
+{
+    tweak    = "replacerules",
+    -- minus = {
+    --     height      = 0.188,
+    --     yoffset     = 0.812,
+    --     leftoffset  = 0.2,
+    --     rightoffset = 0.2,
+    -- },
+    fraction = {
+        height  = .188,
+        yoffset = .812,
+    },
+    radical = {
+        height     = .188,
+        yoffset    = .812,
+        leftoffset = 0.075,
+    },
+    stacker = {
+        height  = .188,
+        yoffset = .812,
+    },
+},
                 {
                     tweak = "addactuarian",
                 },
diff --git a/tex/context/fonts/mkiv/kpfonts-math.lfg b/tex/context/fonts/mkiv/kpfonts-math.lfg
index 67ad3841f..5896323b4 100644
--- a/tex/context/fonts/mkiv/kpfonts-math.lfg
+++ b/tex/context/fonts/mkiv/kpfonts-math.lfg
@@ -112,6 +112,28 @@ return {
                 {
                     tweak = "addrules",
                 },
+{
+    tweak    = "replacerules",
+    -- minus = {
+    --     height      = 0.1818,
+    --     yoffset     = 0.818,
+    --     leftoffset  = 0.2,
+    --     rightoffset = 0.2,
+    -- },
+    fraction = {
+        height  = .1818,
+        yoffset = .818,
+    },
+    radical = {
+        height     = .1818,
+        yoffset    = .818,
+        leftoffset = 0.075,
+    },
+    stacker = {
+        height  = .1818,
+        yoffset = .818,
+    },
+},
                 {
                     -- This will be fixed. Check if new version comes out!
                     tweak   = "addbars",
diff --git a/tex/context/fonts/mkiv/libertinus-math.lfg b/tex/context/fonts/mkiv/libertinus-math.lfg
index 6f707ed2b..ac15d6674 100644
--- a/tex/context/fonts/mkiv/libertinus-math.lfg
+++ b/tex/context/fonts/mkiv/libertinus-math.lfg
@@ -139,6 +139,29 @@ return {
                     advance = 0.5,
                 },
                 {
+                    tweak    = "replacerules",
+                    minus    = {
+                        height      = .176,
+                        yoffset     = .825,
+                        leftoffset  = .065,
+                        rightoffset = .065,
+                    },
+                    fraction = {
+                        height  = .176,
+                        yoffset = .825,
+                    },
+                    radical  = {
+                        height     = .140,
+                        yoffset    = .800,
+                        leftoffset = .075,
+                        yscale     = .950,
+                    },
+                    stacker  = {
+                        height  = .176,
+                        yoffset = .825,
+                    },
+                },
+                {
                     tweak = "addactuarian",
                 },
                 {
diff --git a/tex/context/fonts/mkiv/lucida-math.lfg b/tex/context/fonts/mkiv/lucida-math.lfg
index 28510ac2d..50dce6907 100644
--- a/tex/context/fonts/mkiv/lucida-math.lfg
+++ b/tex/context/fonts/mkiv/lucida-math.lfg
@@ -64,14 +64,14 @@ return {
                     keep     = true,
                     list     = {
                         { source = "latinsupplement" },
-                --         { source = "latinextendeda" },
-                --         { source = "latinextendedadditional" },
-                --         { source = "latinextendedb" },
-                --         { source = "latinextendedc" },
-                --         { source = "latinextendedd" },
-                --         { source = "latinextendede" },
-                --         { source = "latinextendedf" },
-                --         { source = "latinextendedg" },
+                     -- { source = "latinextendeda" },
+                     -- { source = "latinextendedadditional" },
+                     -- { source = "latinextendedb" },
+                     -- { source = "latinextendedc" },
+                     -- { source = "latinextendedd" },
+                     -- { source = "latinextendede" },
+                     -- { source = "latinextendedf" },
+                     -- { source = "latinextendedg" },
                     },
                 },
                 {
@@ -189,6 +189,27 @@ return {
                     tweak = "addrules",
                 },
                 {
+                    tweak    = "replacerules",
+                    minus    = {
+                        leftoffset  = .2,
+                        rightoffset = .2,
+                    },
+                    fraction = {
+                        height  = .2,
+                        yoffset = .825,
+                    },
+                    radical  = {
+                        height     = .2,
+                        yoffset    = .825,
+                        leftoffset = .075,
+                        yscale     = .940,
+                    },
+                    stacker  = {
+                        height  = .2,
+                        yoffset = .825,
+                    },
+                },
+                {
                     tweak = "addactuarian",
                 },
                 {
diff --git a/tex/context/fonts/mkiv/modern-math.lfg b/tex/context/fonts/mkiv/modern-math.lfg
index 4af740789..e2560f0f1 100644
--- a/tex/context/fonts/mkiv/modern-math.lfg
+++ b/tex/context/fonts/mkiv/modern-math.lfg
@@ -324,6 +324,13 @@ return {
                     tweak = "addrules",
                 },
                 {
+                    tweak    = "replacerules",
+                 -- minus    = true, -- we have an extensible
+                    fraction = { height = .15, yoffset = .85 },
+                    radical  = { height = .15, yoffset = .85 },
+                    stacker  = { height = .15, yoffset = .85 },
+                },
+                {
                     tweak   = "addbars",
                     advance = 0.52,
                 },
@@ -346,6 +353,8 @@ return {
                     feature = "emulatelmtx",
                     comment = "this is for mkiv",
                 },
+-- { tweak = "inspect", slot = 0x2212 },
+-- { tweak = "inspect", slot = 0x003D },
             },
         },
         bigslots = {
diff --git a/tex/context/fonts/mkiv/newcomputermodern-math.lfg b/tex/context/fonts/mkiv/newcomputermodern-math.lfg
index cae69aecc..bb881eda0 100644
--- a/tex/context/fonts/mkiv/newcomputermodern-math.lfg
+++ b/tex/context/fonts/mkiv/newcomputermodern-math.lfg
@@ -113,7 +113,7 @@ return {
                         ["0x27EB.variants.*"]   = { topright = -0.3,  bottomright = -0.3  },
 
                     },
-                },                
+                },
                 {
                     tweak = "checkspacing",
                 },
@@ -130,6 +130,13 @@ return {
                     tweak = "addrules",
                 },
                 {
+                    tweak    = "replacerules",
+                 -- minus    = true, -- we have an extensible
+                    fraction = { height = .15, yoffset = .85 },
+                    radical  = { height = .15, yoffset = .85 },
+                    stacker  = { height = .15, yoffset = .85 },
+                },
+                {
                     tweak = "addfourier",
                     variant = 1,
                 },
diff --git a/tex/context/fonts/mkiv/pagella-math.lfg b/tex/context/fonts/mkiv/pagella-math.lfg
index c1d0c7dd5..230f81c9c 100644
--- a/tex/context/fonts/mkiv/pagella-math.lfg
+++ b/tex/context/fonts/mkiv/pagella-math.lfg
@@ -154,7 +154,7 @@ return {
                         [0x27EB]                = { topright = -0.2,  bottomright = -0.2  },
                         ["0x27EB.variants.*"]   = { topright = -0.3,  bottomright = -0.3  },
                         --
-                        [0x00393] = { bottomright = -0.20, }, -- upright Gamma
+                        [0x0393]                = { bottomright = -0.20, }, -- upright Gamma
                         --
                         ["0x222B.parts.bottom"] = { bottomright = -0.20 }, -- int
                         ["0x222C.parts.bottom"] = { bottomright = -0.15 }, -- iint
@@ -185,6 +185,13 @@ return {
                     advance = 0.2,
                 },
                 {
+                    tweak    = "replacerules",
+                    minus    = { rightoffset = .045 },
+                    fraction = { height = .2, yoffset = .8, rightoffset = .04 },
+                    radical  = { height = .2, yoffset = .8, rightoffset = .04 },
+                    stacker  = { height = .2, yoffset = .8, rightoffset = .04 },
+                },
+                {
                     tweak = "addactuarian",
                 },
                 {
diff --git a/tex/context/fonts/mkiv/schola-math.lfg b/tex/context/fonts/mkiv/schola-math.lfg
index e4a3ad397..2e36f0825 100644
--- a/tex/context/fonts/mkiv/schola-math.lfg
+++ b/tex/context/fonts/mkiv/schola-math.lfg
@@ -117,6 +117,13 @@ return {
                     tweak = "addrules",
                 },
                 {
+                    tweak    = "replacerules",
+                 -- minus    = true, -- we have an extensible
+                    fraction = { height = .25, yoffset = .75 },
+                    radical  = { height = .25, yoffset = .75 },
+                    stacker  = { height = .25, yoffset = .75 },
+                },
+                {
                     tweak   = "addbars",
                     advance = 0.27,
                 },
diff --git a/tex/context/fonts/mkiv/stixtwo-math.lfg b/tex/context/fonts/mkiv/stixtwo-math.lfg
index b6b1757b6..c0c97862f 100644
--- a/tex/context/fonts/mkiv/stixtwo-math.lfg
+++ b/tex/context/fonts/mkiv/stixtwo-math.lfg
@@ -168,6 +168,29 @@ return {
                     advance = 0.4,
                 },
                 {
+                    tweak    = "replacerules",
+                    minus    = {
+                        height      = .233,
+                        yoffset     = .768,
+                     -- leftoffset  = .2,
+                     -- rightoffset = .2,
+                    },
+                    fraction = {
+                        height  = .233,
+                        yoffset = .768,
+                    },
+                    radical  = {
+                        height      = .233,
+                        yoffset     = .768,
+                        leftoffset  = .05,
+                        rightoffset = .05,
+                    },
+                    stacker  = {
+                        height  = .233,
+                        yoffset = .768,
+                    },
+                },
+                {
                     tweak = "addactuarian",
                 },
                 {
diff --git a/tex/context/fonts/mkiv/termes-math.lfg b/tex/context/fonts/mkiv/termes-math.lfg
index d9c53ee28..364ea8369 100644
--- a/tex/context/fonts/mkiv/termes-math.lfg
+++ b/tex/context/fonts/mkiv/termes-math.lfg
@@ -123,6 +123,13 @@ return {
                     tweak = "addrules",
                 },
                 {
+                    tweak    = "replacerules",
+                 -- minus    = true, -- we have an extensible
+                    fraction = { height = .2, yoffset = .8 },
+                    radical  = { height = .2, yoffset = .8 },
+                    stacker  = { height = .2, yoffset = .8 },
+                },
+                {
                     tweak   = "addbars",
                     advance = 0.3,
                 },
diff --git a/tex/context/fonts/mkiv/type-imp-antykwa.mkiv b/tex/context/fonts/mkiv/type-imp-antykwa.mkiv
index f5e3158f4..f2fd100d0 100644
--- a/tex/context/fonts/mkiv/type-imp-antykwa.mkiv
+++ b/tex/context/fonts/mkiv/type-imp-antykwa.mkiv
@@ -14,14 +14,7 @@
 \starttypescriptcollection[antykwa-torunska]
 
     \startsetups[antykwa]
-      % \setupmathfraction[\c!rule=\v!symbol,\c!middle="0203E]%
-      % \setupmathradical [\c!rule=\v!symbol,\c!top   ="FE010]%
-      % \setupmathfence   [\c!alternative=1]%
-        \letmathfractionparameter\c!rule\v!symbol
-        \setmathfractionparameter\c!middle{"203E}%
-        \letmathradicalparameter \c!rule\v!symbol
-        \setmathradicalparameter \c!top{\radicalbarextenderuc}%
-        \setmathfenceparameter   \c!alternative{1}%
+        \setmathfenceparameter\c!alternative{1}%
     \stopsetups
 
     % cond => -cont as in iwona
diff --git a/tex/context/fonts/mkiv/type-imp-concrete.mkiv b/tex/context/fonts/mkiv/type-imp-concrete.mkiv
index abf9b2cb1..c383a27fe 100644
--- a/tex/context/fonts/mkiv/type-imp-concrete.mkiv
+++ b/tex/context/fonts/mkiv/type-imp-concrete.mkiv
@@ -19,7 +19,7 @@
     %\definefontfeature[none-slanted-concrete]   [none]   [slant=.2]
 
     \doifunknownfontfeature {concrete-math-bold} {\definefontfeature[concrete-math-bold][boldened]}
-    \doifunknownfontfeature {concrete-text-bold} {\definefontfeature[concrete-text-bold][boldened-15]}
+    \doifunknownfontfeature {concrete-text-bold} {\definefontfeature[concrete-text-bold][boldened-10]}
 
     \starttypescript [\s!serif] [concrete]
         \definefontsynonym [\s!Serif]            [LMTypewriterVarWd-Regular]     [\s!features={\s!default,concrete-text-bold}]
diff --git a/tex/context/fonts/mkiv/type-imp-ebgaramond.mkiv b/tex/context/fonts/mkiv/type-imp-ebgaramond.mkiv
index 966e50ba8..42575a61c 100644
--- a/tex/context/fonts/mkiv/type-imp-ebgaramond.mkiv
+++ b/tex/context/fonts/mkiv/type-imp-ebgaramond.mkiv
@@ -65,13 +65,9 @@
 
 \starttypescriptcollection[ebgaramond]
 
-    \startsetups[ebgaramond]
-        \letmathfractionparameter\c!rule\v!symbol
-        \setmathfractionparameter\c!middle{"203E}%
-        \letmathradicalparameter \c!rule\v!symbol
-        \setmathradicalparameter \c!top{\radicalbarextenderuc}%
-      % \setmathfenceparameter   \c!alternative{1}%
-    \stopsetups
+%   \startsetups[ebgaramond]
+%     % \setmathfenceparameter   \c!alternative{1}%
+%   \stopsetups
 
     \doifunknownfontfeature {ebgaramond-math-bold} {\definefontfeature[ebgaramond-math-bold][boldened]}
 
diff --git a/tex/context/fonts/mkiv/type-imp-iwona.mkiv b/tex/context/fonts/mkiv/type-imp-iwona.mkiv
index 528cb3208..01d859071 100644
--- a/tex/context/fonts/mkiv/type-imp-iwona.mkiv
+++ b/tex/context/fonts/mkiv/type-imp-iwona.mkiv
@@ -14,13 +14,7 @@
 \starttypescriptcollection[iwona]
 
     \startsetups[iwona]
-      % \setupmathfence   [\c!alternative=1]%
-        \setmathfenceparameter   \c!alternative{1}%
-%         \letmathfractionparameter\c!rule\v!symbol
-%         \setmathfractionparameter\c!middle{"203E}%
-%         \letmathradicalparameter \c!rule\v!symbol
-%         \setmathradicalparameter \c!top{\radicalbarextenderuc}%
-%         \setmathfenceparameter   \c!alternative{1}%
+        \setmathfenceparameter\c!alternative{1}%
     \stopsetups
 
     \startsetups[iwona-light]      \directsetup{antykwa}\stopsetups
diff --git a/tex/context/fonts/mkiv/type-imp-kurier.mkiv b/tex/context/fonts/mkiv/type-imp-kurier.mkiv
index af1e2a28d..0ff7852fc 100644
--- a/tex/context/fonts/mkiv/type-imp-kurier.mkiv
+++ b/tex/context/fonts/mkiv/type-imp-kurier.mkiv
@@ -14,13 +14,7 @@
 \starttypescriptcollection [kurier]
 
     \startsetups[kurier]
-      % \setupmathfence   [\c!alternative=1]%
-        \setmathfenceparameter   \c!alternative{1}%
-%         \letmathfractionparameter\c!rule\v!symbol
-%         \setmathfractionparameter\c!middle{"203E}%
-%         \letmathradicalparameter \c!rule\v!symbol
-%         \setmathradicalparameter \c!top{\radicalbarextenderuc}%
-%         \setmathfenceparameter   \c!alternative{1}%
+        \setmathfenceparameter\c!alternative{1}%
     \stopsetups
 
     \startsetups[kurier-light]      \directsetup{antykwa}\stopsetups
diff --git a/tex/context/fonts/mkiv/xcharter-math.lfg b/tex/context/fonts/mkiv/xcharter-math.lfg
index 193c0fd1b..3c349ee88 100644
--- a/tex/context/fonts/mkiv/xcharter-math.lfg
+++ b/tex/context/fonts/mkiv/xcharter-math.lfg
@@ -77,6 +77,28 @@ return {
                 {
                     tweak = "addrules",
                 },
+{
+    tweak    = "replacerules",
+    -- minus = {
+    --     height      = 0.188,
+    --     yoffset     = 0.812,
+    --     leftoffset  = 0.2,
+        -- rightoffset = 0.2,
+    -- },
+    fraction = {
+        height  = .188,
+        yoffset = .812,
+    },
+    radical = {
+        height     = .188,
+        yoffset    = .812,
+        leftoffset = 0.2,-- no effect?
+    },
+    stacker = {
+        height  = .188,
+        yoffset = .812,
+    },
+},
                 {
                     tweak = "addactuarian",
                 },