On Wed, 12 Aug 2009, Curiouslearn wrote:

Aditya, thanks very much for your reply. Is the default font in context, a
unicode font. The layout of my file is

No. It is a virtual font created from latin modern math font.

I do NOT get bold with $ {\bf x} $ command. It is upright, but not bold.
Thanks for your help.

Hans, there is a bug in math-vfu. In all bold variants in make_fonts, "vector =" is missing. See the attached patch.

Aditya
diff --git a/math-vfu.lua b/math-vfu.lua
index 0e06d37..fa1e7de 100644
--- a/math-vfu.lua
+++ b/math-vfu.lua
@@ -1312,7 +1312,7 @@ mathematics.make_font ( "lmroman5-math", {
     { name = "msam5.tfm", vector = "tex-ma" },
     { name = "msbm5.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx5.tfm", vector = "tex-bf" } ,
-    { name = "lmroman5-bold", "tex-bf" } ,
+    { name = "lmroman5-bold", vector = "tex-bf" } ,
     { name = "lmmib5.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans8-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono8-regular.otf", vector = "tex-tt", optional=true },
@@ -1333,7 +1333,7 @@ mathematics.make_font ( "lmroman6-math", {
     { name = "msam5.tfm", vector = "tex-ma" },
     { name = "msbm5.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx6.tfm", vector = "tex-bf" } ,
-    { name = "lmroman6-bold.otf", "tex-bf" } ,
+    { name = "lmroman6-bold.otf", vector = "tex-bf" } ,
     { name = "lmmib5.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans8-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono8-regular.otf", vector = "tex-tt", optional=true },
@@ -1357,7 +1357,7 @@ mathematics.make_font ( "lmroman7-math", {
     { name = "msam7.tfm", vector = "tex-ma" },
     { name = "msbm7.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx7.tfm", vector = "tex-bf" } ,
-    { name = "lmroman7-bold.otf", "tex-bf" } ,
+    { name = "lmroman7-bold.otf", vector = "tex-bf" } ,
     { name = "lmmib7.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans8-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono8-regular.otf", vector = "tex-tt", optional=true },
@@ -1379,7 +1379,7 @@ mathematics.make_font ( "lmroman8-math", {
     { name = "msam7.tfm", vector = "tex-ma" },
     { name = "msbm7.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx8.tfm", vector = "tex-bf" } ,
-    { name = "lmroman8-bold.otf", "tex-bf" } ,
+    { name = "lmroman8-bold.otf", vector = "tex-bf" } ,
     { name = "lmmib7.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans8-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono8-regular.otf", vector = "tex-tt", optional=true },
@@ -1401,7 +1401,7 @@ mathematics.make_font ( "lmroman9-math", {
     { name = "msam10.tfm", vector = "tex-ma" },
     { name = "msbm10.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx9.tfm", vector = "tex-bf" } ,
-    { name = "lmroman9-bold.otf", "tex-bf" } ,
+    { name = "lmroman9-bold.otf", vector = "tex-bf" } ,
     { name = "lmmib10.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans9-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono9-regular.otf", vector = "tex-tt", optional=true },
@@ -1426,7 +1426,7 @@ mathematics.make_font ( "lmroman10-math", {
     { name = "msam10.tfm", vector = "tex-ma" },
     { name = "msbm10.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx10.tfm", vector = "tex-bf" } ,
-    { name = "lmroman10-bold.otf", "tex-bf" } ,
+    { name = "lmroman10-bold.otf", vector = "tex-bf" } ,
     { name = "lmmib10.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans10-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono10-regular.otf", vector = "tex-tt", optional=true },
@@ -1444,7 +1444,7 @@ mathematics.make_font ( "lmroman10-boldmath", {
     { name = "msam10.tfm", vector = "tex-ma" },
     { name = "msbm10.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx10.tfm", vector = "tex-bf" } ,
-    { name = "lmroman10-bold.otf", "tex-bf" } ,
+    { name = "lmroman10-bold.otf", vector = "tex-bf" } ,
     { name = "lmmib10.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans10-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono10-regular.otf", vector = "tex-tt", optional=true },
@@ -1465,7 +1465,7 @@ mathematics.make_font ( "lmroman12-math", {
     { name = "msam10.tfm", vector = "tex-ma" },
     { name = "msbm10.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx12.tfm", vector = "tex-bf" } ,
-    { name = "lmroman12-bold.otf", "tex-bf" } ,
+    { name = "lmroman12-bold.otf", vector = "tex-bf" } ,
     { name = "lmmib10.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans12-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono12-regular.otf", vector = "tex-tt", optional=true },
@@ -1484,7 +1484,7 @@ mathematics.make_font ( "lmroman17-math", {
     { name = "msam10.tfm", vector = "tex-ma" },
     { name = "msbm10.tfm", vector = "tex-mb" },
  -- { name = "rm-lmbx12.tfm", vector = "tex-bf" } ,
-    { name = "lmroman12-bold.otf", "tex-bf" } ,
+    { name = "lmroman12-bold.otf", vector = "tex-bf" } ,
     { name = "lmmib10.tfm", vector = "tex-bi", skewchar=0x7F } ,
     { name = "lmsans17-regular.otf", vector = "tex-ss", optional=true },
     { name = "lmmono17-regular.otf", vector = "tex-tt", optional=true },
diff --git a/strc-mat.mkii b/strc-mat.mkii
index 342f3f3..0e8bfca 100644
--- a/strc-mat.mkii
+++ b/strc-mat.mkii
@@ -409,11 +409,13 @@
      \beforedisplayspace
      \par
      \ifvmode
-        \prevdepth-\maxdimen % texbook pagina 79-80
-        % otherwise problems at the top of a page, don't remove:
-        \verticalstrut
-        \vskip-\struttotal
-        \vskip-\baselineskip
+        \ifindentfirstparagraph
+          \prevdepth-\maxdimen % texbook pagina 79-80
+          % otherwise problems at the top of a page, don't remove:
+          \verticalstrut
+          \vskip-\struttotal
+          \vskip-\baselineskip
+        \fi
      \fi
    \fi
    $$\setdisplaydimensions
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