HTMLheader {tools} | R Documentation |
Generate a Standard HTML Header for R Help
Description
This function generates the standard HTML header used on R help pages.
Usage
HTMLheader(title = "R", logo = TRUE, up = NULL,
top = file.path(Rhome, "doc/html/index.html"),
Rhome = "",
css = file.path(Rhome, "doc/html/R.css"),
headerTitle = paste("R:", title),
outputEncoding = "UTF-8")
Arguments
title |
The title to display and use in the HTML headers. Should have had any HTML escaping already done. |
logo |
Whether to display the R logo after the title. |
up |
Which page (if any) to link to on the “up” button. |
top |
Which page (if any) to link to on the “top” button. |
Rhome |
A relative path to the R home directory. See the ‘Details’. |
css |
The relative URL for the Cascading Style Sheet. |
headerTitle |
The title used in the headers. |
outputEncoding |
The declared encoding for the whole page. |
Details
The up
and top
links should be relative to the current page.
The Rhome
path default works with dynamic help; for static help, a
relative path (e.g., ‘../..’) to it should be used.
Value
A character vector containing the lines of an HTML header which can be used to start a page in the R help system.
Examples
cat(HTMLheader("This is a sample header"), sep="\n")