crumbs (10sep21)

git-svn-id: svn://tug.org/texlive/trunk@60469 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 13 insertions, 4 deletions

diff --git a/Master/texmf-dist/doc/latex/crumbs/crumbs.pdf b/Master/texmf-dist/doc/latex/crumbs/crumbs.pdf
index 51b6922ad51..f9e2892b643 100644
--- a/Master/texmf-dist/doc/latex/crumbs/crumbs.pdf
+++ b/Master/texmf-dist/doc/latex/crumbs/crumbs.pdf
diff --git a/Master/texmf-dist/doc/latex/crumbs/crumbs.tex b/Master/texmf-dist/doc/latex/crumbs/crumbs.tex
index 250be01c666..ce34e8c6503 100644
--- a/Master/texmf-dist/doc/latex/crumbs/crumbs.tex
+++ b/Master/texmf-dist/doc/latex/crumbs/crumbs.tex
@@ -42,7 +42,7 @@
 
 \title{\ff{crumbs}: \LaTeX{} Package \\ for Navigation Crumbs}
 \author{Yegor Bugayenko}
-\date{0.2.1 2021/09/06}
+\date{0.2.2 2021/09/09}
 
 \begin{document}
 \pagenumbering{gobble}
diff --git a/Master/texmf-dist/tex/latex/crumbs/crumbs.sty b/Master/texmf-dist/tex/latex/crumbs/crumbs.sty
index 89126af2fb0..2b497078da6 100644
--- a/Master/texmf-dist/tex/latex/crumbs/crumbs.sty
+++ b/Master/texmf-dist/tex/latex/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}