tabular is not handling "" escapes

[Matt Welland]

It is common in csv to escape double quotes with double quotes. This does not work in tabular and I was unable to figure out any other mechanism. Replacing the first " with \ did not work and neither did using single quotes around the string. Is there a built in mechanism? The csv files in question come from Microsoft Excel but I tested with a csv from Gnumeric and see the same problem. 

cat testing.csv
Junk,"Joe  ""Super"" Duper Guy",zsssy
"More Junk",1,2

../portit pp testing.csv

Error: (list->string) bad argument type - not a character: (#\")

Call history:

utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?  
utf8-srfi-14.scm:101: iset#iset-contains?   <--

Thanks.

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