add trailing slashes to URLs

R/parser.R

@@ -183,7 +183,7 @@ parse_params = function(params, label = TRUE) {
     eval(parse_only(paste('alist(', quote_label(params), ')'))),
     error = function(e) {
       message('(*) NOTE: I saw chunk options "', params,
-              '"\n please go to https://yihui.org/knitr/options',
+              '"\n please go to https://yihui.org/knitr/options/',
               '\n (it is likely that you forgot to quote "character" options)')
     })
 

R/plot.R

@@ -27,7 +27,7 @@ dev2ext = function(options) {
     for (i in x[idx]) dev_get(i)
     stop2(
       'cannot find appropriate filename extensions for device ', x[idx], '; ',
-      "please use chunk option 'fig.ext' (https://yihui.org/knitr/options)"
+      "please use chunk option 'fig.ext' (https://yihui.org/knitr/options/)"
     )
   }
   unname(res)

R/utils-rd2html.R

@@ -65,7 +65,7 @@ knit_rd = function(pkg, links = tools::findHTMLlinks(), frame = TRUE) {
   unlink('figure/', recursive = TRUE)
   toc = sprintf('- <a href="%s" target="content">%s</a>', paste0(topics, '.html'), topics)
   toc = c(paste0('# ', pkg), '', toc, '',
-          paste('Generated with [knitr](https://yihui.org/knitr) ', packageVersion('knitr')))
+          paste('Generated with [knitr](https://yihui.org/knitr/) ', packageVersion('knitr')))
   markdown::mark_html(text = toc, output = '00frame_toc.html', meta = list(
     title = paste('R Documentation of', pkg), css = 'R.css'
   ))

R/utils.R

@@ -64,7 +64,7 @@ color_def = function(col, variable = 'shadecolor') {
       x = switch(variable, shadecolor = rep(.97, 3), fgcolor = rep(0, 3))
       warning("the color '", col, "' is invalid;",
               'using default color...',
-              'see https://yihui.org/knitr/options')
+              'see https://yihui.org/knitr/options/')
     }
   }
   if (length(x) != 3L) stop('invalid color:', col)

inst/examples/knitr-listings.Rnw

@@ -102,5 +102,5 @@ to \LaTeX{} users.
 
 You should be able to compile the \TeX{} document and get a PDF file
 like this one: \url{https://github.com/yihui/knitr/releases/download/doc/knitr-listings.pdf}.
-For more information about out hooks, see \url{https://yihui.org/knitr/hooks}.
+For more information about out hooks, see \url{https://yihui.org/knitr/hooks/}.
 \end{document}

inst/examples/knitr-listings.lyx

@@ -505,7 +505,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-https://yihui.org/knitr/hooks
+https://yihui.org/knitr/hooks/
 \end_layout
 
 \end_inset

inst/examples/knitr-manual.Rnw

@@ -43,7 +43,7 @@ library(knitr)
 opts_chunk$set(fig.path='figure/manual-', cache.path='cache/manual-', fig.align='center', fig.show='hold', par=TRUE)
 ## I use = but I can replace it with <-; set code/output width to be 68
 options(formatR.arrow=TRUE, width=68, digits=4)
-## tune details of base graphics (https://yihui.org/knitr/hooks)
+## tune details of base graphics (https://yihui.org/knitr/hooks/)
 knit_hooks$set(par=function(before, options, envir){
 if (before && options$fig.show!='none') par(mar=c(4,4,.1,.1),cex.lab=.95,cex.axis=.9,mgp=c(2,.7,0),tcl=-.3)
 })
@@ -116,10 +116,10 @@ such as the support to a wide range of graphics devices and cache.
 Below is a brief description of the process:
 \begin{enumerate}
 \item \textbf{knitr} takes an input file and automatically determines an
-appropriate set of \href{https://yihui.org/knitr/patterns}{patterns}
+appropriate set of \href{https://yihui.org/knitr/patterns/}{patterns}
 to use if they are not provided in advance (e.g. \textsf{file.Rnw}
 will use \texttt{knit\_patterns\$get('rnw')});
-\item a set of output \href{https://yihui.org/knitr/hooks}{hooks} will
+\item a set of output \href{https://yihui.org/knitr/hooks/}{hooks} will
 also be set up automatically according to the filename extension (e.g.
 use \LaTeX{} environments or HTML elements to wrap up R results);
 \item the input file is read in and split into pieces consisting of R code
@@ -138,7 +138,7 @@ really evaluating the chunk; if cached results exist and this code
 chunk has not been changed since last run (use MD5 sum to verify),
 the cached results will be (lazy-) loaded, otherwise new cache will
 be built; if a cached chunk depends on other chunks (see the \texttt{dependson}
-\href{https://yihui.org/knitr/options}{option}) and any one of these
+\href{https://yihui.org/knitr/options/}{option}) and any one of these
 chunks has changed, this chunk must be forcibly updated (old cache
 will be purged)
 \item there are six types of possible output from \textbf{evaluate}, and
@@ -199,7 +199,7 @@ progress bar is provided when knitting a file so we roughly know how
 long we still need to wait; output from inline R code (e.g. \texttt{\textbackslash{}Sexpr\{x{[}1{]}\}})
 is automatically formatted in \TeX{} math notation (like \Sexpr{123456789})
 if the result is numeric. You may check out a number of specific manuals
-dedicated to specific features such as graphics in the website: \url{https://yihui.org/knitr/demos}.
+dedicated to specific features such as graphics in the website: \url{https://yihui.org/knitr/demo/}.
 
 \subsection{Code Decoration}
 
@@ -389,16 +389,16 @@ $\mathrm{d}\mathbf{x}_{t}=\alpha[(\theta-\mathbf{x}_{t})\mathrm{d}t+4]\mathrm{d}
 in R graphics:
 
 <<math-expr-R, eval=FALSE>>=
-qplot(1:10, 1:10) + opts(title = substitute(paste(d * 
-    bolditalic(x)[italic(t)] == alpha * (theta - bolditalic(x)[italic(t)]) * 
-    d * italic(t) + lambda * d * italic(B)[italic(t)]), list(lambda = 4))) 
+qplot(1:10, 1:10) + opts(title = substitute(paste(d *
+    bolditalic(x)[italic(t)] == alpha * (theta - bolditalic(x)[italic(t)]) *
+    d * italic(t) + lambda * d * italic(B)[italic(t)]), list(lambda = 4)))
 @
 
-With the tikz device, it is both straightforward and more beautiful: 
+With the tikz device, it is both straightforward and more beautiful:
 
 <<math-expr-tikz, dev='tikz', fig.width=5, fig.height=3, out.width='.55\\linewidth', cache=TRUE, message=FALSE>>=
 library(ggplot2)
-qplot(1:10, 1:10) + 
+qplot(1:10, 1:10) +
 labs(title = sprintf('$\\mathrm{d}\\mathbf{x}_{t} = \\alpha[(\\theta - \\mathbf{x}_{t})\\mathrm{d}t + %d]\\mathrm{d}B_{t}$', 4))
 @
 
@@ -629,15 +629,15 @@ Then we only have to set the chunk option \texttt{rgl=TRUE}:
 
 <<fancy-rgl, rgl=TRUE, dev='png', fig.width=5, fig.height=5, out.width='2in', message=FALSE, warning=FALSE, cache=TRUE>>=
 library(rgl)
-demo('bivar', package='rgl', echo=FALSE) 
+demo('bivar', package='rgl', echo=FALSE)
 par3d(zoom=.7)
 @
 
 Due to the flexibility of output hooks, \textbf{knitr} supports several
 different output formats. The implementation is fairly easy, e.g.,
 for \LaTeX{} we put R output in \texttt{verbatim} environments, and
 in HTML, it is only a matter of putting output in \texttt{div} layers.
-These are simply character string operations. Many demos in \url{https://yihui.org/knitr/demos}
+These are simply character string operations. Many demos in \url{https://yihui.org/knitr/demo/}
 show this idea clearly. This manual did not cover all the features
 of \textbf{knitr}, and users are encouraged to thumb through the website
 to know more possible features.

inst/examples/knitr-manual.lyx

@@ -467,7 +467,7 @@ knitr
 \begin_inset CommandInset href
 LatexCommand href
 name "patterns"
-target "https://yihui.org/knitr/patterns"
+target "https://yihui.org/knitr/patterns/"
 
 \end_inset
 
@@ -488,7 +488,7 @@ a set of output
 \begin_inset CommandInset href
 LatexCommand href
 name "hooks"
-target "https://yihui.org/knitr/hooks"
+target "https://yihui.org/knitr/hooks/"
 
 \end_inset
 
@@ -544,7 +544,7 @@ dependson
 \begin_inset CommandInset href
 LatexCommand href
 name "option"
-target "https://yihui.org/knitr/options"
+target "https://yihui.org/knitr/options/"
 
 \end_inset
 
@@ -809,7 +809,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-https://yihui.org/knitr/demos
+https://yihui.org/knitr/demo/
 \end_layout
 
 \end_inset
@@ -2712,7 +2712,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-https://yihui.org/knitr/demos
+https://yihui.org/knitr/demo/
 \end_layout
 
 \end_inset