Add a cran comment this time

because of possible failure due to Pandoc version on the system

Author: cderv

cran-comments.md

@@ -0,0 +1,20 @@
+## R CMD check results
+
+We checked 16 reverse dependencies, comparing R CMD check results across CRAN and dev versions of this package.
+
+ * We saw 1 new problems
+ * We failed to check 0 packages
+
+Issues with CRAN packages are summarised below.
+
+### New problems
+(This reports the first line of each new failure)
+
+* markovchain
+  checking re-building of vignette outputs ... ERROR
+  
+  This is on system with Pandoc < 2.7 due to new requirement from one of the output format. 
+
+  An issue has been raised upstream: https://github.com/spedygiorgio/markovchain/issues/219
+  
+  On system with latest Pandoc, there should be no error.