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-rw-r--r--macros/optex/doc/optex-math.tex12
1 files changed, 9 insertions, 3 deletions
diff --git a/macros/optex/doc/optex-math.tex b/macros/optex/doc/optex-math.tex
index e94b742d66..23ca1ad98a 100644
--- a/macros/optex/doc/optex-math.tex
+++ b/macros/optex/doc/optex-math.tex
@@ -532,7 +532,9 @@ atom at its right side.
The sequence of increasing delimiters can be printed by the following
macros:
$$
- `(` \to (,\quad \x`\big``(` \to \big(,\quad \x`\Big``(` \to \Big(,\quad
+ `(` \to (,\quad \x`\big``(` \to \big(,\quad
+ \x`\bbig``(` \to \bbig(\fnote{Provided only in \OpTeX/.}, \quad
+ \x`\Big``(` \to \Big(,\quad
\x`\bigg``(` \to \bigg(, \quad \x`\Bigg``(` \to \Bigg(.
$$
The `\Bigg<delim>` is not the maximal size of the bracket. Try
@@ -544,10 +546,12 @@ The `\big<delim>` creates Ord atom. We need to create Open atom
for opening bracket and Close atom for closing bracket more often.
Then we can use macros
\x`\bigl``<delim>`,
+\x`\bbigl``<delim>`,
\x`\Bigl``<delim>`,
\x`\biggl``<delim>`,
\x`\Biggl``<delim>` for creating Open atoms and
\x`\bigr``<delim>`,
+\x`\bbigr``<delim>`,
\x`\Bigr``<delim>`,
\x`\biggr``<delim>`,
\x`\Biggr``<delim>` for creating Close atoms. Unfortunately, the source is not
@@ -555,9 +559,11 @@ too attractive when more sizes of brackets are used, but typographic
traditions say that we have to distinguish brackets by the size in math
mode if they are in equal types:
$$
- `\Bigl( f\bigl( 2(x+y) + z\bigr) \Bigr)'` \quad \hbox{gives }
- \Bigl(f\bigl(2(x+y)+z\bigr)\Bigr)'.
+ `\bbigl( f\bigl( 2(x+y) + z\bigr) \bbigr)'` \quad \hbox{gives }
+ \bbigl(f\bigl(2(x+y)+z\bigr)\bbigr)'.
$$
+The `math.opm` package from \OpTeX/ provides doing this more comfortable.
+
\secc Horizontally scalable objects: math accents