Fix hardspaces for czech language in LaTeX

hard_spaces.sh

#!/bin/sh
awk -i inplace -f - "$1" << 'AWK'
BEGIN {
  skip = 0
  IGNORECASE=1
}

/\\begin{(minted|lstlisting|tikzpicture)}/ {
  skip = 1
}

/\\end{(minted|lstlisting|tikzpicture)}/ {
  skip = 0
}

{
  if(skip == 0) {
    print gensub(/(^|\s+)(k|s|v|z|o|u|a|i) /, "\\1\\2~", "g")
  } else {
    print $0
  }
}
AWK