From 3afc117c548a89639790d1cc8c7fdfcca7a0c572 Mon Sep 17 00:00:00 2001
From: Tianon Gravi <admwiggin@gmail.com>
Date: Wed, 21 Nov 2018 17:06:32 -0800
Subject: [PATCH] Update TOC anchor algorithm to match
 "https://github.com/thlorenz/anchor-markdown-header" (fixes
 "#--link-is-deprecated")

---
 toc.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/toc.sh b/toc.sh
index acd0d5a913fa0..5256b3b8ed061 100755
--- a/toc.sh
+++ b/toc.sh
@@ -36,10 +36,11 @@ toc="$(
 				prefix = "\t" prefix
 			}
 
+			# https://github.com/thlorenz/anchor-markdown-header/blob/56f77a232ab1915106ad1746b99333bf83ee32a2/anchor-markdown-header.js#L20-L30
 			hash = tolower($0)
-			gsub(/['"'"'./`]/, "", hash)
-			gsub(/[^a-z0-9]+/, "-", hash)
-			gsub(/^-|-$/, "", hash)
+			gsub(/ /, "-", hash)
+			gsub(/[\/?!:\[\]`.,()*"'"'"';{}+=<>~\$|#@&–—]/, "", hash)
+			gsub(/[。？！，、；：“”【】（）〔〕［］﹃﹄“ ”‘’﹁﹂—…－～《》〈〉「」]/, "", hash)
 
 			printf "%s[%s](#%s)\n", prefix, $0, hash
 		}