Strings not working in my schemedef

<Scheme>

<keyword-classes>

<keyword-class name="rfunctions">

help help.search apropos help.start str summary ls

ls.str dir methods options library require attach detach

load data read.table read.csv read.delim read.fwf save

save.image cat print format write.table sink

c seq rep data.frame list array matrix factor gl

expand.grid rbind cbind as.array as.data.frame as.numeric

as.logical as.complex as.character is.na is.null is.array

is.data.frame is.numeric is.complex is.character length

dim dimnames nrow ncol class unclass attr attributes

which.max which.min rev sort cut match which choose na.omit

na.fail unique table subset transform sample prop.table

sin cos tan asin acos atan atan2 log log10 exp

max min range sum diff prod mean median quantile weighted.mean

rank var sd cor var cov round log scale pmin pmax cumsum

cumprod cummin cummax union intersect setdiff setequal is.element

Re Im Mod abs Arg Conj convolve fft mvfft filter

t diag solve rowsum colsum colSums rowMeans colMeans

apply lapply tapply tapply by ave merge aggregate stack unstack reshape

paste substr strsplit grep gsub tolower toupper match pmatch nchar

as.Date as.POSIXct difftime strftime x11 windows

postscript ps.options pdf png jpeg bitmap xfig pictex dev.off

plot hist barplot dotchart pie boxplot sunflowerplot stripplot

coplot interaction.plot matplot fourfoldplot assocplot

mosaicplot pairs plot.ts ts.plot qqnorm qqplot contour

filled.contour image persp stars symbols termplot

points lines text mtext segments arrows abline rect

polygon legend title axis box rug locator

xyplot barchart dotplot densityplot histogram bwplot

qqmath stripplot qq splom parallel levelplot wireframe cloud

optim nlm lm glm nls approx spline lowss

predict df.residual coef residuals deviance fitted logLik AIC

aov anova density binom.test pairwise.t.test power.t.test

prop.test t.test

rnorm rexp rgamma rpois rweibull rcauchy rbeta rt rf rchisq

rbinom rgeom rhyper rlogis rlnorm rnbinom runif rwilcox

function return if else for while repeat break next ifelse do.call

source shell Sweave print mahalanobis

rm ls objects setwd getwd names

prcomp princomp loadings biplot screeplot

</keyword-class>