Locate contents of LaTeX commands

Source: R/locate_mandatory_LaTeX_argument.R

Provides the locations of LaTeX commands with mandatory arguments.

locate_mandatory_LaTeX_argument(tex_lines, command_name, n = 1L,
  parsed_doc = NULL)

Arguments

tex_lines

A character vector of a LaTeX document, -- for example as obtained from readLines("mydoc.tex").
command_name

The command (without backslash) whose arguments' locations are desired.
n

Integer vector: which argument(s) to locate. If n = NA, the n-th argument positions for all n.
parsed_doc

The result of parse_tex(tex_lines).