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Fix bug where un-escaped curly braces can arrive in the styling_latex_font_size() function #767

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Fix bug where un-escaped curly braces can arrive in the styling_latex_font_size() function #767

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955c587
Fix bug where unescaped curly brackets from latex-declared column
cgrandin Oct 3, 2023
dc2e678
small fix checking meta value in rmarkdown
cgrandin Oct 29, 2024
ed3b266
Merge branch 'master' of https://github.com/haozhu233/kableExtra
cgrandin Oct 29, 2024
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12 changes: 12 additions & 0 deletions R/kable_styling.R
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Original file line number Diff line number Diff line change
Expand Up @@ -633,6 +633,18 @@ styling_latex_position_float <- function(x, table_info, option, table.envir,
styling_latex_font_size <- function(x, table_info, font_size) {
row_height <- font_size + 2
if (table_info$tabular != "longtable" & table_info$table_env) {
# Following two lines use negative lookbehinds to find curly braces
# which have not been escaped and escape them. This situation arises
# when the user has declared latex column types like this (C = center):
#
# \newcommand{\PreserveBackslash}[1]{\let\temp=\\#1\let\\=\temp}
# \newcolumntype{C}[1]{>{\PreserveBackslash\centering}p{#1}}
table_info$begin_tabular <- gsub("(?<!\\\\){", "\\\\{",
table_info$begin_tabular,
perl = TRUE)
table_info$begin_tabular <- gsub("(?<!\\\\)}", "\\\\}",
table_info$begin_tabular,
perl = TRUE)
return(sub(table_info$begin_tabular,
paste0("\\\\fontsize\\{", font_size, "\\}\\{", row_height,
"\\}\\\\selectfont\n", table_info$begin_tabular),
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