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-rw-r--r--macros/latex/contrib/crumbs/crumbs.sty15
1 files changed, 12 insertions, 3 deletions
diff --git a/macros/latex/contrib/crumbs/crumbs.sty b/macros/latex/contrib/crumbs/crumbs.sty
index 89126af2fb..2b497078da 100644
--- a/macros/latex/contrib/crumbs/crumbs.sty
+++ b/macros/latex/contrib/crumbs/crumbs.sty
@@ -21,7 +21,7 @@
% SOFTWARE.
\NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{crumbs}[2021/09/06 0.2.1 Navigation Crumbs]
+\ProvidesPackage{crumbs}[2021/09/09 0.2.2 Navigation Crumbs]
\RequirePackage{etoolbox}
@@ -82,8 +82,17 @@
\crumbsoldsubsection{#2}
}
-\newcommand\crumb[2]{#1}
-\newcommand\subcrumb[2]{#1}
+\ifcsname crumb\endcsname
+ \message{The command "crumb" already defined}
+\else
+ \newcommand\crumb[2]{#1}
+\fi
+\ifcsname subcrumb\endcsname
+ \message{The command "crumb" already defined}
+\else
+ \newcommand\subcrumb[2]{#1}
+\fi
+
\newcommand*\crumbs{}
\newcounter{crumbi}
\newcounter{subcrumbi}