Usage
weaverAsciiSetup(file, syntax, output = NULL, quiet = FALSE, debug = FALSE, extension = "txt", backend = "asciidoc", openSchunk = "----", closeSchunk = "\n----\n", openSinput = "", closeSinput = "", openSoutput = "\n", closeSoutput = "", indent = "", openInclude = "include::", closeInclude = ".txt[]", openFig = "image::", closeFig = "[]", use.cache = TRUE, ...)