correct behavior for smart quote input rule within other mark input rules (e.g. `*_)
correct behavior for smart quote input rule within other mark input rules (e.g. `*_)

JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio