diff options
Diffstat (limited to 'Master/texmf-dist/source/latex/macrolist/macrolist.dtx')
-rw-r--r-- | Master/texmf-dist/source/latex/macrolist/macrolist.dtx | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/Master/texmf-dist/source/latex/macrolist/macrolist.dtx b/Master/texmf-dist/source/latex/macrolist/macrolist.dtx index 382faf2930e..59d3041f3f3 100644 --- a/Master/texmf-dist/source/latex/macrolist/macrolist.dtx +++ b/Master/texmf-dist/source/latex/macrolist/macrolist.dtx @@ -16,7 +16,7 @@ %<*package> \NeedsTeXFormat{LaTeX2e} -\ProvidesPackage{macrolist}[2021/07/23 v1.2.0 Create lists of macros and perform operations on them] +\ProvidesPackage{macrolist}[2021/07/25 v1.2.1 Create lists of macros and perform operations on them] \RequirePackage{pgffor} %</package> @@ -94,6 +94,7 @@ \csname macrolist@list@#1\the\numexpr #2\relax\endcsname% } % \fi +% \changes{v1.2.1}{2021/07/25}{Fix behavior of listindexof and listcontains for empty lists} % \changes{v1.2.0}{2021/07/23}{Add listindexof and listcontains} % \DescribeMacro{\listindexof} % @@ -106,12 +107,14 @@ \newcommand{\listindexof}[2]{% \def\macrolist@listindex{0}% \macrolist@exists{#1}% - \def\macrolist@el{#2}% - \listforeach{#1}{\macrolist@listindexel}[\listsize{#1}][1]{% - \ifx\macrolist@el\macrolist@listindexel - \xdef\macrolist@listindex{\macrolist@index}% - \fi - }% + \ifnum\listsize{#1}>0\relax + \def\macrolist@el{#2}% + \listforeach{#1}{\macrolist@listindexel}[\listsize{#1}][1]{% + \ifx\macrolist@el\macrolist@listindexel + \xdef\macrolist@listindex{\macrolist@index}% + \fi + }% + \fi \macrolist@listindex% \let\macrolist@listindex\relax% } @@ -125,12 +128,14 @@ \newcommand{\listcontains}[4]{% \def\macrolist@listindex{0}% \macrolist@exists{#1}% - \def\macrolist@el{#2}% - \listforeach{#1}{\macrolist@listindexel}[\listsize{#1}][1]{% - \ifx\macrolist@el\macrolist@listindexel - \xdef\macrolist@listindex{\macrolist@index}% - \fi - }% + \ifnum\listsize{#1}>0\relax + \def\macrolist@el{#2}% + \listforeach{#1}{\macrolist@listindexel}[\listsize{#1}][1]{% + \ifx\macrolist@el\macrolist@listindexel + \xdef\macrolist@listindex{\macrolist@index}% + \fi + }% + \fi \ifnum\macrolist@listindex>0\relax #3% \else |