%D \module
%D   [      file=s-math-atoms.mksl,
%D        version=2022.02.13,
%D          title=\CONTEXT\ Style File,
%D       subtitle=Show Math Atom Spacing,
%D         author=Hans Hagen,
%D           date=\currentdate,
%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.

%D This is just a quick and dirty overview.

\startmodule[math-tweaks]

\unprotect

\starttexdefinition protected showmathfonttweaks_text_accent #1
    \bTR
        \bTD[width=7em,align=flushleft,style=mono] #1 \eTD
        \bTD \m {\showglyphs \getvalue{#1}{i}  } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{I}  } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{x}  } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{X}  } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{xx} } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{XX} } \eTD
    \eTR
\stoptexdefinition

\starttexdefinition protected showmathfonttweaks_wide_accent #1
    \bTR
        \bTD[width=7em,align=flushleft,style=mono] #1 \eTD
        \bTD \m {\showglyphs \getvalue{#1}{i}     } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{I}     } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{x}     } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{X}     } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{xx}    } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{XX}    } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{xxxxx} } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{XXXXX} } \eTD
    \eTR
\stoptexdefinition

\starttexdefinition protected showmathfonttweaks_prime #1
    \bTR
        \bTD \type{#1} \eTD
        \bTD \m {\showglyphs #1} \eTD
    \eTR
\stoptexdefinition

\starttexdefinition protected showmathfonttweaks_bracer #1
    \bTR
        \bTD \type{#1} \eTD
        \bTD \m {\showglyphs \getvalue{#1}{x}     } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{xxxxx} } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{X}     } \eTD
        \bTD \m {\showglyphs \getvalue{#1}{XXXXX} } \eTD
    \eTR
\stoptexdefinition

\starttexdefinition protected showmathfonttweaks

    \startsubject[title=text accents]
        \startlinecorrection
            \bTABLE[align=middle,offset=1ex]
                \showmathfonttweaks_text_accent{grave}
                \showmathfonttweaks_text_accent{bar}
                \showmathfonttweaks_text_accent{acute}
                \showmathfonttweaks_text_accent{hat}
                \showmathfonttweaks_text_accent{check}
                \showmathfonttweaks_text_accent{breve}
                \showmathfonttweaks_text_accent{dot}
                \showmathfonttweaks_text_accent{ring}
                \showmathfonttweaks_text_accent{tilde}
                \showmathfonttweaks_text_accent{ddot}
                \showmathfonttweaks_text_accent{dddot}
            \eTABLE
        \stoplinecorrection
    \stopsubject

    \startsubject[title=wide accents]
        \startlinecorrection
            \bTABLE[align=middle,offset=1ex]
                \showmathfonttweaks_wide_accent{widegrave}
                \showmathfonttweaks_wide_accent{widebar}
                \showmathfonttweaks_wide_accent{wideacute}
                \showmathfonttweaks_wide_accent{widehat}
                \showmathfonttweaks_wide_accent{widecheck}
                \showmathfonttweaks_wide_accent{widebreve}
                \showmathfonttweaks_wide_accent{widedot}
                \showmathfonttweaks_wide_accent{widering}
                \showmathfonttweaks_wide_accent{widetilde}
                \showmathfonttweaks_wide_accent{wideddot}
                \showmathfonttweaks_wide_accent{widedddot}
            \eTABLE
        \stoplinecorrection
    \stopsubject

    \startsubject[title=primes]
        \startlinecorrection
            \bTABLE[align=flushleft,offset=1ex]
                \showmathfonttweaks_prime{x'}
                \showmathfonttweaks_prime{x''}
                \showmathfonttweaks_prime{x'''}
                \showmathfonttweaks_prime{X'}
                \showmathfonttweaks_prime{X''}
                \showmathfonttweaks_prime{X'''}
                \showmathfonttweaks_prime{x'}
                \showmathfonttweaks_prime{x'^2}
                \showmathfonttweaks_prime{x'_2}
                \showmathfonttweaks_prime{x'^2_2}
                \showmathfonttweaks_prime{x'}
                \showmathfonttweaks_prime{x^2'}
                \showmathfonttweaks_prime{x_2'}
                \showmathfonttweaks_prime{x^2_2'}
            \eTABLE
        \stoplinecorrection
    \stopsubject

    \startsubject[title=bracers]
        \startlinecorrection
            \bTABLE[align=flushleft,offset=1ex]
                \showmathfonttweaks_bracer{overbrace}
                \showmathfonttweaks_bracer{underbrace}
                \showmathfonttweaks_bracer{overbracket}
                \showmathfonttweaks_bracer{underbracket}
                \showmathfonttweaks_bracer{overparent}
                \showmathfonttweaks_bracer{underparent}
                \showmathfonttweaks_bracer{overbar}
                \showmathfonttweaks_bracer{underbar}
                \showmathfonttweaks_bracer{overline}
                \showmathfonttweaks_bracer{underline}
            \eTABLE
        \stoplinecorrection
    \stopsubject

    \startsubject[title=whatever]
        \startlinecorrection
            \bTABLE[align=flushleft,offset=1ex]
                \bTR
                    \bTD \m{\mfunction{máx}}\eTD
                \eTR
            \eTABLE
        \stoplinecorrection
    \stopsubject
\stoptexdefinition

\starttexdefinition protected showmathalphabettweaks_check_flush #1
    \dontleavehmode
    \hbox \bgroup
        \smallinfofont
        \setstrut
        \lower \dimexpr\dp\scratchbox+\ht\strutbox\relax \hbox to \wd\scratchbox\bgroup
            \hss
            \strut
            \hexnumber{#1}
            \hss
        \egroup
        \hskip-\wd\scratchbox
        \box\scratchbox
    \egroup
\stoptexdefinition

\starttexdefinition protected showmathalphabettweaks_check_scripts
    \subscript     1
    \superscript   2
    \subprescript  3
    \superprescript4
\stoptexdefinition

\starttexdefinition protected showmathalphabettweaks_check_hat #1
    \setbox\scratchbox\ruledhbox {
        \im {
            \resetmathattributes
            \widehat{\tocharacter#1}
            \showmathalphabettweaks_check_scripts
       }
    }
    \showmathalphabettweaks_check_flush{#1}
\stoptexdefinition

\starttexdefinition protected showmathalphabettweaks_check_fences #1
    \setbox\scratchbox\ruledhbox {
        \im {
            \resetmathattributes
            \left(
                \tocharacter#1\relax
                \showmathalphabettweaks_check_scripts
            \right)
        }
    }
    \showmathalphabettweaks_check_flush{#1}
\stoptexdefinition

\starttexdefinition protected showmathalphabettweaks_check #1#2
   \startsubsubsubject[title=#1]
       \traverseblock {#1} {
         \begingroup
         \showglyphs
         \showfontitalics
         \showfontkerns
         #2{##1}%
         \endgroup
         \space\space
       }
       \removeunwantedspaces
   \stopsubsubsubject
\stoptexdefinition

\starttexdefinition protected showmathalphabettweaks_all #1
    \startsubsubject[title={Numbers}]
        \showmathalphabettweaks_check{digits normal}#1
        \showmathalphabettweaks_check{digits bold}#1
        \showmathalphabettweaks_check{digits sansserif normal}#1
        \showmathalphabettweaks_check{digits sansserif bold}#1
        \showmathalphabettweaks_check{digits monospace}#1
        \showmathalphabettweaks_check{digits doublestruck}#1
    \stopsubsubject
    \startsubsubject[title={Lowercase}]
        \showmathalphabettweaks_check{lowercase normal}#1
        \showmathalphabettweaks_check{lowercase italic}#1
        \showmathalphabettweaks_check{lowercase bold}#1
        \showmathalphabettweaks_check{lowercase bold italic}#1
        \showmathalphabettweaks_check{lowercase sansserif normal}#1
        \showmathalphabettweaks_check{lowercase sansserif italic}#1
        \showmathalphabettweaks_check{lowercase sansserif bold}#1
        \showmathalphabettweaks_check{lowercase sansserif bolditalic}#1
        \showmathalphabettweaks_check{lowercase monospace}#1
        \showmathalphabettweaks_check{lowercase fraktur}#1
        \showmathalphabettweaks_check{lowercase bold fraktur}#1
        \showmathalphabettweaks_check{lowercase script}#1
        \showmathalphabettweaks_check{lowercase bold script}#1
        \showmathalphabettweaks_check{lowercase doublestruck}#1
        \showmathalphabettweaks_check{lowercase greek normal}#1
        \showmathalphabettweaks_check{lowercase greek italic}#1
        \showmathalphabettweaks_check{lowercase greek bold}#1
        \showmathalphabettweaks_check{lowercase greek bold italic}#1
      % \showmathalphabettweaks_check{lowercase greek sansserif normal}#1
      % \showmathalphabettweaks_check{lowercase greek sansserif italic}#1
        \showmathalphabettweaks_check{lowercase greek sansserif bold}#1
        \showmathalphabettweaks_check{lowercase greek sansserif bolditalic}#1
    \stopsubsubject
    \startsubsubject[title={Uppercase}]
        \showmathalphabettweaks_check{uppercase normal}#1
        \showmathalphabettweaks_check{uppercase italic}#1
        \showmathalphabettweaks_check{uppercase bold}#1
        \showmathalphabettweaks_check{uppercase bolditalic}#1
        \showmathalphabettweaks_check{uppercase sansserif normal}#1
        \showmathalphabettweaks_check{uppercase sansserif italic}#1
        \showmathalphabettweaks_check{uppercase sansserif bold}#1
        \showmathalphabettweaks_check{uppercase sansserif bolditalic}#1
        \showmathalphabettweaks_check{uppercase monospace}#1
        \showmathalphabettweaks_check{uppercase fraktur}#1
        \showmathalphabettweaks_check{uppercase bold fraktur}#1
        \showmathalphabettweaks_check{uppercase script}#1
        \showmathalphabettweaks_check{uppercase bold script}#1
        \showmathalphabettweaks_check{uppercase doublestruck}#1
        \showmathalphabettweaks_check{uppercase greek normal}#1
        \showmathalphabettweaks_check{uppercase greek italic}#1
        \showmathalphabettweaks_check{uppercase greek bold}#1
        \showmathalphabettweaks_check{uppercase greek bolditalic}#1
        \showmathalphabettweaks_check{uppercase greek sansserif bold}#1
        \showmathalphabettweaks_check{uppercase greek sansserif bolditalic}#1
    \stopsubsubject
\stoptexdefinition

\starttexdefinition protected showmathaccenttweaks
    \showmathalphabettweaks_all\showmathalphabettweaks_check_hat
\stoptexdefinition

\starttexdefinition protected showmathfencetweaks
    \showmathalphabettweaks_all\showmathalphabettweaks_check_fences
\stoptexdefinition

\starttexdefinition protected showmathmiddletweaks
    \dostepwiserecurse {5} {75} {1} {
        $\left\{
         \mathatom class \mathconstructcode \bgroup \vcenter \bgroup \hbox \bgroup
          \blackrule
            [\c!height=\dimexpr##1pt/2\relax,
             \c!depth=\dimexpr##1pt/2\relax,
             \c!width=\emwidth,
             \c!color=darkblue]%
        \egroup \egroup \egroup
        \middle|
      % \begingroup\darkblue\scriptscriptstyle\mathtt{##1}\endgroup
        \right)$
        \space
    }
    \removeunwantedspaces
\stoptexdefinition

\starttexdefinition protected showmathvarianttweaks
\dm {
    \dorecurse {\nofmathvariants "28} {
        \char \getmathvariant ##1 "28
        \char \getmathvariant ##1 "7B
        \char \getmathvariant ##1 "7C
        \char \getmathvariant ##1 "7D
        \char \getmathvariant ##1 "29
    }
}
\stoptexdefinition

\protect

\stopmodule

\continueifinputfile{s-math-tweaks.mkxl}

\setuplayout
  [tight]

\setuphead
  [chapter]
  [style=\bfd]

\setuphead
  [section]
  [style=\bfc]

\setuphead
  [subsection]
  [style=\bfb]

\setuphead
  [subsubsection]
  [before=\blank,
   style=\bfa]

% \enabletrackers[math.tweaks]

\starttext

%     \definefontfeature[mathextra][compose=yes]

    \doifelse {\getdocumentargument{bodyfont}} {} {

%         \setupbodyfont[cambria,10pt]   \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle
%          \setupbodyfont[modern]         \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle
%         \setupbodyfont[pagella]        \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle
%         \setupbodyfont[termes]         \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle
%         \setupbodyfont[bonum]          \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle
%         \setupbodyfont[schola]         \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle
%         \setupbodyfont[lucidaot,10pt]  \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle
%         \setupbodyfont[ebgaramond]     \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle
%         \setupbodyfont[stixtwo]        \starttitle[title=\fontclass] \showmathfonttweaks \stoptitle

%         \setupbodyfont[bonum]          \starttitle[title=\fontclass] \showmathaccenttweaks \stoptitle

%         \setupbodyfont[bonum]          \starttitle[title=\fontclass] \showmathfencetweaks \stoptitle
        \setupbodyfont[bonum]          \starttitle[title=\fontclass] \showmathmiddletweaks \stoptitle
%         \setupbodyfont[modern]          \starttitle[title=\fontclass] \showmathfencetweaks \stoptitle

    } {

        \normalexpanded{\setupbodyfont[\getdocumentargument{bodyfont},12pt]}
        \showmathfonttweaks
        \showmathaccenttweaks
        \showmathfencetweaks
        \showmathmiddletweaks
        \showmathvarianttweaks
    }

\stoptext

% \setupbodyfont[10pt]
%
% \starttext
%
% \setupmathematics[integral=limits]
%
% \mathlimitsmode 1
%
% \startTEXpage[offset=1ts] \showboxes \showglyphs
% \dontleavehmode
% \ruledhbox{\dm{\left|\integral^{!!!!!!!!!!!}\right|}}
% \ruledhbox{\dm{\left|\integral^{!!!!!!!!!!} \right|}}
% \ruledhbox{\dm{\left|\integral^{!!!!!!!!!}  \right|}}
% \ruledhbox{\dm{\left|\integral^{!!!!!!!!}   \right|}}
% \ruledhbox{\dm{\left|\integral^{!!!!!!!}    \right|}}
% \ruledhbox{\dm{\left|\integral^{!!!!!!}     \right|}}
% \ruledhbox{\dm{\left|\integral^{!!!!!}      \right|}}
% \ruledhbox{\dm{\left|\integral^{!!!!}       \right|}}
% \ruledhbox{\dm{\left|\integral^{!!!}        \right|}}
% \ruledhbox{\dm{\left|\integral^{!!}         \right|}}
% \ruledhbox{\dm{\left|\integral^{!}          \right|}}
% \blank
% \dontleavehmode
% \ruledhbox{\dm{\left|\integral_{!!!!!!!!!!!}\right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!!!!!!} \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!!!!!}  \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!!!!}   \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!!!}    \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!!}     \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!}      \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!}       \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!}        \right|}}
% \ruledhbox{\dm{\left|\integral_{!!}         \right|}}
% \ruledhbox{\dm{\left|\integral_{!}          \right|}}
% \blank
% \dontleavehmode
% \ruledhbox{\dm{\left|\integral_{!}      ^{!}              \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!!!}^{!}              \right|}}
% \ruledhbox{\dm{\left|\integral_{!}      ^{!!!!!!!}        \right|}}
% \ruledhbox{\dm{\left|\integral_{!}      ^{!!!!!!!!!!}     \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!!!}^{!!!!!!!!!}      \right|}}
% \ruledhbox{\dm{\left|\integral_{!!!!!!!}^{!!!!!!!!!!!!!!!}\right|}}
% \ruledhbox{\dm{\left|\integral^{\mtext{for demanding}}_{\mtext{integral freaks}}\right|}}
% \stopTEXpage
%
% \stoptext