error.md
In brew: Templating Framework for Report Generation

error report produces stack trace (or not)

Code
  print(c(head(logLines, 1), tail(logLines, 5)))
Output
  [1] "Call stack at error:"                                                 
  [2] "\tbrew(\"error.brew\", envir = new.env(), extendedErrorReport = TRUE)"
  [3] "\t ..."                                                               
  [4] "\tfna()"                                                              
  [5] "\tfnb()"                                                              
  [6] "Error in fnc() : could not find function \"fnc\""