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-rw-r--r--macros/optex/doc/optex-math.tex25
1 files changed, 17 insertions, 8 deletions
diff --git a/macros/optex/doc/optex-math.tex b/macros/optex/doc/optex-math.tex
index 4c9d5dd01f..dbdd7800cf 100644
--- a/macros/optex/doc/optex-math.tex
+++ b/macros/optex/doc/optex-math.tex
@@ -576,6 +576,17 @@ There are more scalable accents in Unicode math fonts:
\x`\overleftrightarrow` $\overleftrightarrow{abc}$,
\x`\overleftharpoon` $\overleftharpoon{abc}$,
\x`\overrightharpoon` $\overrightharpoon{abc}$,
+\x`\wideoverbar` $\wideoverbar{abc}$,
+\x`\widebreve` $\widebreve{abc}$,
+\x`\widecheck` $\widecheck{abc}$,\nl
+\x`\wideutilde` $\wideutilde{abc}$,
+\x`\mathunderbar` $\mathunderbar{abc}$,
+\x`\underleftrightarrow` $\underleftrightarrow{abc}$,
+\x`\widebridgeabove` $\widebridgeabove{abc}$,\nl
+\x`\underrightharpoondown` $\underrightharpoondown{abc}$,
+\x`\underleftharpoondown` $\underleftharpoondown{abc}$,
+\x`\underleftarrow` $\underleftarrow{abc}$,\nl
+\x`\underrightarrow` $\underrightarrow{abc}$.
\secc Fixed math accents
@@ -703,19 +714,17 @@ previous listing of math alphabets and sets as default:
Moreover, it defines the alphabet selectors at user level (see section 1.3.3
of the \OpTeX/ manual). For example
\begtt \typosize[10/12]
-\def\rm {\_tryload\_tenrm \_inmath{\_rmavariables \_rmdigits}}
+\_def\_marm {\_inmath{\_rmavariables \_rmdigits}} % \_mamrm is used in \rm
\endtt
%
-The first part
-\new \OpTeX/
-`\_tryload\_tenrm` is applicable for text fonts and the
-`\_inmath` part is processed only in math mode and sets the math alphabets.
-You can see the file `unimath-codes.opm` where all user-level selectors are
+`\_inmath` runs it parameter only in math mode and sets the math alphabets.
+You can see the file `unimath-codes.opm` where all these selectors are
defined. You can redefine them. For example, \OpTeX/ defines `\bf` as a math
alphabet selector that selects sans serif bold in math. This is the common
-notation for vectors, tensors, and matrices. If you dislike this, then you can define:
+notation for vectors, tensors, and matrices. If you dislike this (maybe
+because plain \TeX/ has different defaults), then you can define:
\begtt \typosize[10/12]
-\def\bf {\_tryloadbf\_tenbf \_inmath{\_bfvariables\_bfdigits\_bfgreek\_bfGreek}}
+\_def\_mabf {\_inmath{\_bfvariables\_bfdigits\_bfgreek\_bfGreek}} % used in \bf
\endtt