How to define a macro with multiple optional parameters?xparse: Define new command with multiple optional...
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How to define a macro with multiple optional parameters?
xparse: Define new command with multiple optional parametersPassing parameters to g@addto@macrodefine a macro with two parameters delimited by optional spacesCan you interpret macro parameters as verbatim?Define a new command with parameters inside newcommandCommand calls with multiple parametersdef macro with multiple parametersRedefine macro in macro with parameternew environment with multiple parametersDefine macro as wrapper for parameters of a command
3
After I had a macro that worked, I tried to improve it by making some parameters optional.
Unfortunately the macro no longer works. Instead I'm getting errors I do not understand, for example:
LaTeX Warning: Label `####5' multiply defined.
LaTeX Warning: Label `####5' multiply defined.
! LaTeX Error: fLab undefined.
! Illegal parameter number in definition of fLab.
! Illegal parameter number in definition of reserved@a.
! LaTeX Error: fCap undefined.
...and so on.
The last code I tried looked like this:
%% Graphics figure with caption and label
% [1:placement,] 2:relative width, 3:file name[, 4:caption[, 5:label]]
newcommand{figCapLab}[5][htbp]{%
ifthenelse{equal{#5}{}}%
{renewcommand{fLab}{}}%
{renewcommand{fLab}{label{##5}}}%
ifthenelse{equal{#4}{}}%
{renewcommand{fCap}{fLab}}%
{renewcommand{fCap}{caption{fLab{small{}##4}}}}%
begin{figure}[#1]%
centering%
begin{minipage}[t]{#2textwidth}%
includegraphics[width=textwidth]{#3}% is width of surrounding minipage
fCap%
end{minipage}%
end{figure}
}
%% Graphics figure with caption
% [1:placement,] 2:relative width, 3:file name, 4:caption
newcommand{figCap}[4]{%
ifthenelse{equal{#1}{}}%
{figCapLab{#2}{#3}{#4}{}}%
{figCapLab[#1]{#2}{#3}{#4}{}}%
}
%% Graphics figure with label
% [1:placement,] 2:relative width, 3:file name, 4:label
newcommand{figLab}[4]{%
ifthenelse{equal{#1}{}}%
{figCapLab{#2}{#3}{}{#4}}%
{figCapLab[#1]{#2}{#3}{}{#4}}%
}
Who can explain what went wrong?
People who like complete examples should add this prolog:
documentclass[a4paper,twoside]{report}
usepackage{german}
usepackage[latin1]{inputenc}
usepackage{a4}
usepackage{amsmath}
usepackage{url}
usepackage{graphicx}
usepackage{ifthen}
...and this epilog:
begin{document}
See ref{foo}.
figCapLab{0.9}{whatever.pdf}{Caption}{foo}
end{document}
macros parameters
asked 3 hours ago
U. WindlU. Windl
1183
New contributor
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
3
After I had a macro that worked, I tried to improve it by making some parameters optional.
Unfortunately the macro no longer works. Instead I'm getting errors I do not understand, for example:
LaTeX Warning: Label `####5' multiply defined.
LaTeX Warning: Label `####5' multiply defined.
! LaTeX Error: fLab undefined.
! Illegal parameter number in definition of fLab.
! Illegal parameter number in definition of reserved@a.
! LaTeX Error: fCap undefined.
...and so on.
The last code I tried looked like this:
%% Graphics figure with caption and label
% [1:placement,] 2:relative width, 3:file name[, 4:caption[, 5:label]]
newcommand{figCapLab}[5][htbp]{%
ifthenelse{equal{#5}{}}%
{renewcommand{fLab}{}}%
{renewcommand{fLab}{label{##5}}}%
ifthenelse{equal{#4}{}}%
{renewcommand{fCap}{fLab}}%
{renewcommand{fCap}{caption{fLab{small{}##4}}}}%
begin{figure}[#1]%
centering%
begin{minipage}[t]{#2textwidth}%
includegraphics[width=textwidth]{#3}% is width of surrounding minipage
fCap%
end{minipage}%
end{figure}
}
%% Graphics figure with caption
% [1:placement,] 2:relative width, 3:file name, 4:caption
newcommand{figCap}[4]{%
ifthenelse{equal{#1}{}}%
{figCapLab{#2}{#3}{#4}{}}%
{figCapLab[#1]{#2}{#3}{#4}{}}%
}
%% Graphics figure with label
% [1:placement,] 2:relative width, 3:file name, 4:label
newcommand{figLab}[4]{%
ifthenelse{equal{#1}{}}%
{figCapLab{#2}{#3}{}{#4}}%
{figCapLab[#1]{#2}{#3}{}{#4}}%
}
Who can explain what went wrong?
People who like complete examples should add this prolog:
documentclass[a4paper,twoside]{report}
usepackage{german}
usepackage[latin1]{inputenc}
usepackage{a4}
usepackage{amsmath}
usepackage{url}
usepackage{graphicx}
usepackage{ifthen}
...and this epilog:
begin{document}
See ref{foo}.
figCapLab{0.9}{whatever.pdf}{Caption}{foo}
end{document}
macros parameters
asked 3 hours ago
U. WindlU. Windl
1183
New contributor
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
3
Instead of identifying mistakes in your code without much context, can you provide information on what you want to achieve ultimately? Perhaps there are better ways of achieving it.
– Werner
3 hours ago
please extend your code fragment to complete but small document!
– Zarko
2 hours ago
@Werner: There are always different ways to reach a goal, but if you change the way too frequently, you'll never make it. So I'd prefer a fix for my "solution" over a completely new attempt (like xparse).
– U. Windl
2 hours ago
pgfkeys allow you to have multiple keys, which you could call optional arguments.
– marmot
2 hours ago
add a comment |
3
3
3
After I had a macro that worked, I tried to improve it by making some parameters optional.
Unfortunately the macro no longer works. Instead I'm getting errors I do not understand, for example:
LaTeX Warning: Label `####5' multiply defined.
LaTeX Warning: Label `####5' multiply defined.
! LaTeX Error: fLab undefined.
! Illegal parameter number in definition of fLab.
! Illegal parameter number in definition of reserved@a.
! LaTeX Error: fCap undefined.
...and so on.
The last code I tried looked like this:
%% Graphics figure with caption and label
% [1:placement,] 2:relative width, 3:file name[, 4:caption[, 5:label]]
newcommand{figCapLab}[5][htbp]{%
ifthenelse{equal{#5}{}}%
{renewcommand{fLab}{}}%
{renewcommand{fLab}{label{##5}}}%
ifthenelse{equal{#4}{}}%
{renewcommand{fCap}{fLab}}%
{renewcommand{fCap}{caption{fLab{small{}##4}}}}%
begin{figure}[#1]%
centering%
begin{minipage}[t]{#2textwidth}%
includegraphics[width=textwidth]{#3}% is width of surrounding minipage
fCap%
end{minipage}%
end{figure}
}
%% Graphics figure with caption
% [1:placement,] 2:relative width, 3:file name, 4:caption
newcommand{figCap}[4]{%
ifthenelse{equal{#1}{}}%
{figCapLab{#2}{#3}{#4}{}}%
{figCapLab[#1]{#2}{#3}{#4}{}}%
}
%% Graphics figure with label
% [1:placement,] 2:relative width, 3:file name, 4:label
newcommand{figLab}[4]{%
ifthenelse{equal{#1}{}}%
{figCapLab{#2}{#3}{}{#4}}%
{figCapLab[#1]{#2}{#3}{}{#4}}%
}
Who can explain what went wrong?
People who like complete examples should add this prolog:
documentclass[a4paper,twoside]{report}
usepackage{german}
usepackage[latin1]{inputenc}
usepackage{a4}
usepackage{amsmath}
usepackage{url}
usepackage{graphicx}
usepackage{ifthen}
...and this epilog:
begin{document}
See ref{foo}.
figCapLab{0.9}{whatever.pdf}{Caption}{foo}
end{document}
macros parameters
asked 3 hours ago
U. WindlU. Windl
1183
New contributor
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
After I had a macro that worked, I tried to improve it by making some parameters optional.
Unfortunately the macro no longer works. Instead I'm getting errors I do not understand, for example:
LaTeX Warning: Label `####5' multiply defined.
LaTeX Warning: Label `####5' multiply defined.
! LaTeX Error: fLab undefined.
! Illegal parameter number in definition of fLab.
! Illegal parameter number in definition of reserved@a.
! LaTeX Error: fCap undefined.
...and so on.
The last code I tried looked like this:
%% Graphics figure with caption and label
% [1:placement,] 2:relative width, 3:file name[, 4:caption[, 5:label]]
newcommand{figCapLab}[5][htbp]{%
ifthenelse{equal{#5}{}}%
{renewcommand{fLab}{}}%
{renewcommand{fLab}{label{##5}}}%
ifthenelse{equal{#4}{}}%
{renewcommand{fCap}{fLab}}%
{renewcommand{fCap}{caption{fLab{small{}##4}}}}%
begin{figure}[#1]%
centering%
begin{minipage}[t]{#2textwidth}%
includegraphics[width=textwidth]{#3}% is width of surrounding minipage
fCap%
end{minipage}%
end{figure}
}
%% Graphics figure with caption
% [1:placement,] 2:relative width, 3:file name, 4:caption
newcommand{figCap}[4]{%
ifthenelse{equal{#1}{}}%
{figCapLab{#2}{#3}{#4}{}}%
{figCapLab[#1]{#2}{#3}{#4}{}}%
}
%% Graphics figure with label
% [1:placement,] 2:relative width, 3:file name, 4:label
newcommand{figLab}[4]{%
ifthenelse{equal{#1}{}}%
{figCapLab{#2}{#3}{}{#4}}%
{figCapLab[#1]{#2}{#3}{}{#4}}%
}
Who can explain what went wrong?
People who like complete examples should add this prolog:
documentclass[a4paper,twoside]{report}
usepackage{german}
usepackage[latin1]{inputenc}
usepackage{a4}
usepackage{amsmath}
usepackage{url}
usepackage{graphicx}
usepackage{ifthen}
...and this epilog:
begin{document}
See ref{foo}.
figCapLab{0.9}{whatever.pdf}{Caption}{foo}
end{document}
macros parameters
macros parameters
asked 3 hours ago
U. WindlU. Windl
1183
New contributor
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 3 hours ago
U. WindlU. Windl
1183
New contributor
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 2 hours ago
U. Windl
asked 3 hours ago
U. WindlU. Windl
1183
New contributor
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 3 hours ago
U. WindlU. Windl
1183
asked 3 hours ago
U. WindlU. Windl
1183
1183
New contributor
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
U. Windl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
3
Instead of identifying mistakes in your code without much context, can you provide information on what you want to achieve ultimately? Perhaps there are better ways of achieving it.
– Werner
3 hours ago
please extend your code fragment to complete but small document!
– Zarko
2 hours ago
@Werner: There are always different ways to reach a goal, but if you change the way too frequently, you'll never make it. So I'd prefer a fix for my "solution" over a completely new attempt (like xparse).
– U. Windl
2 hours ago
pgfkeys allow you to have multiple keys, which you could call optional arguments.
– marmot
2 hours ago
add a comment |
3
Instead of identifying mistakes in your code without much context, can you provide information on what you want to achieve ultimately? Perhaps there are better ways of achieving it.
– Werner
3 hours ago
please extend your code fragment to complete but small document!
– Zarko
2 hours ago
@Werner: There are always different ways to reach a goal, but if you change the way too frequently, you'll never make it. So I'd prefer a fix for my "solution" over a completely new attempt (like xparse).
– U. Windl
2 hours ago
pgfkeys allow you to have multiple keys, which you could call optional arguments.
– marmot
2 hours ago
3
3
Instead of identifying mistakes in your code without much context, can you provide information on what you want to achieve ultimately? Perhaps there are better ways of achieving it.
– Werner
3 hours ago
Instead of identifying mistakes in your code without much context, can you provide information on what you want to achieve ultimately? Perhaps there are better ways of achieving it.
– Werner
3 hours ago
please extend your code fragment to complete but small document!
– Zarko
2 hours ago
please extend your code fragment to complete but small document!
– Zarko
2 hours ago
@Werner: There are always different ways to reach a goal, but if you change the way too frequently, you'll never make it. So I'd prefer a fix for my "solution" over a completely new attempt (like xparse).
– U. Windl
2 hours ago
@Werner: There are always different ways to reach a goal, but if you change the way too frequently, you'll never make it. So I'd prefer a fix for my "solution" over a completely new attempt (like xparse).
– U. Windl
2 hours ago
pgfkeys allow you to have multiple keys, which you could call optional arguments.
– marmot
2 hours ago
pgfkeys allow you to have multiple keys, which you could call optional arguments.
– marmot
2 hours ago
add a comment |
1 Answer
1
active
oldest
votes
3
documentclass{article}
usepackage{graphicx}
newcommandaddtofigtoks[1]{expandafterfigtoksexpandafter
{thefigtoks#1}}
newtoksfigtoks
newcommandfigCapLab[3][htbp]{%
figtoks{begin{figure}[#1]}
addtofigtoks{centering}
addtofigtoks{includegraphics[width=#2textwidth]{#3}}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
addtofigtoks{end{figure}}
thefigtoks
else
addtofigtoks{caption{#1}}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelseaddtofigtoks{label{#1}}fi
addtofigtoks{end{figure}}
thefigtoks
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
Ack-shu-ally, the more I think of it, tokens are not even needed:
documentclass{article}
usepackage{graphicx}
newcommandfigCapLab[3][htbp]{%
begin{figure}[#1]
centering
includegraphics[width=#2textwidth]{#3}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
end{figure}
else
caption{#1}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelselabel{#1}fi
end{figure}
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
answered 2 hours ago
Steven B. SegletesSteven B. Segletes
157k9202411
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
3
documentclass{article}
usepackage{graphicx}
newcommandaddtofigtoks[1]{expandafterfigtoksexpandafter
{thefigtoks#1}}
newtoksfigtoks
newcommandfigCapLab[3][htbp]{%
figtoks{begin{figure}[#1]}
addtofigtoks{centering}
addtofigtoks{includegraphics[width=#2textwidth]{#3}}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
addtofigtoks{end{figure}}
thefigtoks
else
addtofigtoks{caption{#1}}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelseaddtofigtoks{label{#1}}fi
addtofigtoks{end{figure}}
thefigtoks
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
Ack-shu-ally, the more I think of it, tokens are not even needed:
documentclass{article}
usepackage{graphicx}
newcommandfigCapLab[3][htbp]{%
begin{figure}[#1]
centering
includegraphics[width=#2textwidth]{#3}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
end{figure}
else
caption{#1}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelselabel{#1}fi
end{figure}
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
answered 2 hours ago
Steven B. SegletesSteven B. Segletes
157k9202411
add a comment |
3
documentclass{article}
usepackage{graphicx}
newcommandaddtofigtoks[1]{expandafterfigtoksexpandafter
{thefigtoks#1}}
newtoksfigtoks
newcommandfigCapLab[3][htbp]{%
figtoks{begin{figure}[#1]}
addtofigtoks{centering}
addtofigtoks{includegraphics[width=#2textwidth]{#3}}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
addtofigtoks{end{figure}}
thefigtoks
else
addtofigtoks{caption{#1}}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelseaddtofigtoks{label{#1}}fi
addtofigtoks{end{figure}}
thefigtoks
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
Ack-shu-ally, the more I think of it, tokens are not even needed:
documentclass{article}
usepackage{graphicx}
newcommandfigCapLab[3][htbp]{%
begin{figure}[#1]
centering
includegraphics[width=#2textwidth]{#3}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
end{figure}
else
caption{#1}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelselabel{#1}fi
end{figure}
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
answered 2 hours ago
Steven B. SegletesSteven B. Segletes
157k9202411
add a comment |
3
3
3
documentclass{article}
usepackage{graphicx}
newcommandaddtofigtoks[1]{expandafterfigtoksexpandafter
{thefigtoks#1}}
newtoksfigtoks
newcommandfigCapLab[3][htbp]{%
figtoks{begin{figure}[#1]}
addtofigtoks{centering}
addtofigtoks{includegraphics[width=#2textwidth]{#3}}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
addtofigtoks{end{figure}}
thefigtoks
else
addtofigtoks{caption{#1}}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelseaddtofigtoks{label{#1}}fi
addtofigtoks{end{figure}}
thefigtoks
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
Ack-shu-ally, the more I think of it, tokens are not even needed:
documentclass{article}
usepackage{graphicx}
newcommandfigCapLab[3][htbp]{%
begin{figure}[#1]
centering
includegraphics[width=#2textwidth]{#3}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
end{figure}
else
caption{#1}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelselabel{#1}fi
end{figure}
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
answered 2 hours ago
Steven B. SegletesSteven B. Segletes
157k9202411
documentclass{article}
usepackage{graphicx}
newcommandaddtofigtoks[1]{expandafterfigtoksexpandafter
{thefigtoks#1}}
newtoksfigtoks
newcommandfigCapLab[3][htbp]{%
figtoks{begin{figure}[#1]}
addtofigtoks{centering}
addtofigtoks{includegraphics[width=#2textwidth]{#3}}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
addtofigtoks{end{figure}}
thefigtoks
else
addtofigtoks{caption{#1}}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelseaddtofigtoks{label{#1}}fi
addtofigtoks{end{figure}}
thefigtoks
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
Ack-shu-ally, the more I think of it, tokens are not even needed:
documentclass{article}
usepackage{graphicx}
newcommandfigCapLab[3][htbp]{%
begin{figure}[#1]
centering
includegraphics[width=#2textwidth]{#3}
optcap
}
newcommandoptcap[1][relax]{%
ifxrelax#1relax
end{figure}
else
caption{#1}%
expandafterlabelopt
fi
}
newcommandlabelopt[1][relax]{%
ifxrelax#1relaxelselabel{#1}fi
end{figure}
}
begin{document}
figCapLab{.2}{example-image-a}
figCapLab{.2}{example-image-b}[My caption]
figCapLab{.2}{example-image-c}[My caption][fg:label1]
figCapLab[p]{.2}{example-image}[Other caption][fg:label2]
In figures ref{fg:label1} and ref{fg:label2}...
end{document}
answered 2 hours ago
Steven B. SegletesSteven B. Segletes
157k9202411
edited 1 hour ago
answered 2 hours ago
Steven B. SegletesSteven B. Segletes
157k9202411
answered 2 hours ago
Steven B. SegletesSteven B. Segletes
157k9202411
answered 2 hours ago
Steven B. SegletesSteven B. Segletes
157k9202411
157k9202411
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U. Windl is a new contributor. Be nice, and check out our Code of Conduct.
U. Windl is a new contributor. Be nice, and check out our Code of Conduct.
U. Windl is a new contributor. Be nice, and check out our Code of Conduct.
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3
Instead of identifying mistakes in your code without much context, can you provide information on what you want to achieve ultimately? Perhaps there are better ways of achieving it.
– Werner
3 hours ago
please extend your code fragment to complete but small document!
– Zarko
2 hours ago
@Werner: There are always different ways to reach a goal, but if you change the way too frequently, you'll never make it. So I'd prefer a fix for my "solution" over a completely new attempt (like xparse).
– U. Windl
2 hours ago
pgfkeys allow you to have multiple keys, which you could call optional arguments.
– marmot
2 hours ago