Found by uselex.rb:
    fonttab: [R]: exported from: ./utils/hp2ps/dist/build/Dimensions.o
    GetString: [R]: exported from: ./utils/hp2ps/dist/build/HpFile.o
    thestring: [R]: exported from: ./utils/hp2ps/dist/build/HpFile.o
    auxfp: [R]: exported from: ./utils/hp2ps/dist/build/Main.o
    dflag: [R]: exported from: ./utils/hp2ps/dist/build/Main.o
    filter: [R]: exported from: ./utils/hp2ps/dist/build/Main.o
    iflag: [R]: exported from: ./utils/hp2ps/dist/build/Main.o
    mflag: [R]: exported from: ./utils/hp2ps/dist/build/Main.o
    pflag: [R]: exported from: ./utils/hp2ps/dist/build/Main.o
    psfile: [R]: exported from: ./utils/hp2ps/dist/build/Main.o
    tflag: [R]: exported from: ./utils/hp2ps/dist/build/Main.o
    OrderOf: [R]: exported from: ./utils/hp2ps/dist/build/Reorder.o

Signed-off-by: Sergei Trofimovich <siarheit@google.com>