Remove --validate-input from highlight

It causes some text to be swallowed

.config/zsh/.zprofile

@@ -58,7 +58,7 @@ export LESS="--tabs=4 --RAW-CONTROL-CHARS --LONG-PROMPT"
 if command -v highlight > /dev/null; then
     # ~/.lessfilter handles the highlighting
     LESSOPEN="| $(command -v lesspipe) %s"
-    export CATOPEN="highlight --validate-input --force --out-format=truecolor --style=base16/unikitty-reversible --stdout %s"
+    export CATOPEN="highlight --force --out-format=truecolor --style=base16/unikitty-reversible --stdout %s"
 elif command -v pygmentize > /dev/null; then
     LESSOPEN="| $(command -v pygmentize) -f terminal16m -g -O style=paraiso-dark %s"
 elif command -v source-highlight > /dev/null; then

.lessfilter

@@ -5,8 +5,7 @@
 command -v highlight > /dev/null || return 1
 file="${1}"
 
-local output="$(highlight --validate-input \
-                          --force \
+local output="$(highlight --force \
                           --out-format=truecolor \
                           --style=base16/unikitty-reversible \
                           --stdout "${file}")"