Add footnote support to allioli with Unicode superscripts

- Add footnote handling functions to allioli.awk:
  - printintroductionpar() for chapter 0 prologues
  - printfootnote() for displaying footnotes with proper formatting
  - Updated processline() to detect and route introductions, footnotes, and verses
- Add -F flag to allioli.sh to disable footnotes
- Strip superscript numbers (⁰¹²³⁴⁵⁶⁷⁸⁹) from verse text when -F is enabled
- TSV format now supports footnotes in column 6 (number) and column 7 (text)
- Footnotes use global numbering matching superscript references in verses

allioli.awk

@@ -151,6 +151,11 @@ function bookmatches(book, bookabbr, query) {
 }
 
 function printverse(verse,    word_count, characters_printed) {
+	# Remove superscript footnote numbers if footnotes are disabled
+	if (ENVIRON["ALLIOLI_NOFOOTNOTES"] != "" && ENVIRON["ALLIOLI_NOFOOTNOTES"] != "0") {
+		gsub(/[⁰¹²³⁴⁵⁶⁷⁸⁹]+/, "", verse)
+	}
+
 	if (ENVIRON["ALLIOLI_NOLINEWRAP"] != "" && ENVIRON["ALLIOLI_NOLINEWRAP"] != "0") {
 		printf("%s\n", verse)
 		return
@@ -172,14 +177,91 @@ function printverse(verse,    word_count, characters_printed) {
 	printf("\n")
 }
 
+function printintroductionpar(verse,    word_count, characters_printed) {
+	if (ENVIRON["ALLIOLI_NOLINEWRAP"] != "" && ENVIRON["ALLIOLI_NOLINEWRAP"] != "0") {
+		printf("%s\n", verse)
+		return
+	}
+
+	word_count = split(verse, words, " ")
+	characters_printed=8 #account for indents at beginning of each verse
+	for (i = 1; i <= word_count; i++) {
+		if (characters_printed + length(words[i]) + (characters_printed > 0 ? 1 : 0) > MAX_WIDTH) {
+			printf("\n")
+			characters_printed = 0
+		}
+		if (i != 1 && characters_printed > 0) { #need first check because we set characters_printed > 0 for first line only
+			printf(" ")
+			characters_printed++
+		}
+		printf("%s", words[i])
+		characters_printed += length(words[i])
+	}
+	printf("\n")
+	printed_intrudction=1
+}
+
+function printfootnote(footnote_num, footnote,    word_count, characters_printed) {
+	if ( ENVIRON["ALLIOLI_NOFOOTNOTES"] != "" && ENVIRON["ALLIOLI_NOFOOTNOTES"] != "0"){
+		return
+	}
+	else{
+	if (ENVIRON["ALLIOLI_NOLINEWRAP"] != "" && ENVIRON["ALLIOLI_NOLINEWRAP"] != "0") {
+		printf("\t\t%s%s\n", footnote_num, footnote)
+		return
+	}
+
+	if( length(footnote) < MAX_WIDTH - 17){
+			for ( i=1; i <= MAX_WIDTH - length(footnote) - 1; i++){
+				printf(" ")
+			}
+			printf("%s%s", footnote_num, footnote)
+		}
+	else{
+	word_count = split(footnote, words, " ")
+	printf("\n\t\t%s", footnote_num)
+	characters_printed=17 #account for indents at beginning of each multiline footnote (2 tabs + footnote_num)
+	for (i = 1; i <= word_count; i++) {
+		if (characters_printed + length(words[i]) + (characters_printed > 0 ? 1 : 0) > MAX_WIDTH - 8 ) {
+			printf("\n\t")
+			characters_printed = 0
+		}
+		if (i != 1 && characters_printed > 0) { #Do not print empty space in front of first word for the first line (since characters_printed gets initialized > 0 we need this
+			printf(" ")
+			characters_printed++
+		}
+		printf("%s", words[i])
+		characters_printed += length(words[i])
+	}
+	printf("\n")
+	}
+	printf("\n")
+	}
+}
+
 function processline() {
+	if (printed_intrudction && $4 != 0){
+		printf("\n\n")
+		printed_intrudction=0
+	}
 	if (last_book_printed != $2) {
 		print $1
 		last_book_printed = $2
 	}
-
-	printf("%d:%d\t", $4, $5)
-	printverse($6)
+	# Check if this is a footnote (column 6 is a number)
+	if ($6 ~ /^[0-9]+$/) {
+		printfootnote($6, $7)
+	}
+	# Check if this is an introduction (chapter 0)
+	else if ($4 == 0){
+		printf("\t")
+		printintroductionpar($6)
+	}
+	# Regular verse
+	else {
+		printf("%d:%d\t", $4, $5)
+		printverse($6)
+	}
 	outputted_records++
 }
 

allioli.sh

@@ -22,6 +22,7 @@ show_help() {
 	echo
 	echo "  -l      list books"
 	echo "  -W      no line wrap"
+	echo "  -F      no footnotes"
 	echo "  -h      show help"
 	echo
 	echo "  Reference types:"
@@ -64,6 +65,9 @@ while [ $# -gt 0 ]; do
 	elif [ "$1" = "-W" ]; then
 		export ALLIOLI_NOLINEWRAP=1
 		shift
+	elif [ "$1" = "-F" ]; then
+		export ALLIOLI_NOFOOTNOTES=1
+		shift
 	elif [ "$1" = "-h" ] || [ "$isFlag" -eq 1 ]; then
 		show_help
 	else