more comments

"

pfetch

@@ -535,6 +535,13 @@ get_ascii() {
         PF_COL1=${PF_COL1:-${1:-7}}
         PF_COL3=${PF_COL3:-$((${1:-7}%8+1))}
 
+        # POSIX sh has no 'var+=' so 'var=${var}append' is used. What's
+        # interesting is that 'var+=' _is_ supported inside '$(())'
+        # (arithmetic) though there's no support for 'var++/var--'.
+        #
+        # There is also no $'\n' to add a "literal"(?) newline to the
+        # string. The simplest workaround being to break the line inside
+        # the string (though this has the caveat of breaking indentation).
         while IFS= read -r line; do
             ascii="$ascii$line
 "