From a3d2e89a657de7655d9b776e9630f59b627e1167 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Thu, 25 May 2023 22:00:56 +0800
Subject: [PATCH] :art: Formula parsing supports $ followed by numbers when
 importing Markdown https://github.com/siyuan-note/siyuan/issues/8362

---
 kernel/model/import.go | 13 +------------
 kernel/util/lute.go    | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/kernel/model/import.go b/kernel/model/import.go
index 24ad4b4e7..acc8e0a88 100644
--- a/kernel/model/import.go
+++ b/kernel/model/import.go
@@ -38,7 +38,6 @@ import (
 	"time"
 
 	"github.com/88250/gulu"
-	"github.com/88250/lute"
 	"github.com/88250/lute/ast"
 	"github.com/88250/lute/html"
 	"github.com/88250/lute/html/atom"
@@ -712,17 +711,7 @@ func ImportFromLocalPath(boxID, localPath string, toPath string) (err error) {
 }
 
 func parseStdMd(markdown []byte) (ret *parse.Tree) {
-	luteEngine := lute.New()
-	luteEngine.SetFootnotes(false)
-	luteEngine.SetToC(false)
-	luteEngine.SetIndentCodeBlock(false)
-	luteEngine.SetAutoSpace(false)
-	luteEngine.SetHeadingID(false)
-	luteEngine.SetSetext(false)
-	luteEngine.SetYamlFrontMatter(false)
-	luteEngine.SetLinkRef(false)
-	luteEngine.SetGFMAutoLink(false) // 导入 Markdown 时不自动转换超链接 https://github.com/siyuan-note/siyuan/issues/7682
-	luteEngine.SetImgPathAllowSpace(true)
+	luteEngine := util.NewStdLute()
 	ret = parse.Parse("", markdown, luteEngine.ParseOptions)
 	if nil == ret {
 		return
diff --git a/kernel/util/lute.go b/kernel/util/lute.go
index 2caf8875a..26aae3d9b 100644
--- a/kernel/util/lute.go
+++ b/kernel/util/lute.go
@@ -46,3 +46,19 @@ func NewLute() (ret *lute.Lute) {
 	ret.SetSanitize(true)
 	return
 }
+
+func NewStdLute() (ret *lute.Lute) {
+	ret = lute.New()
+	ret.SetFootnotes(false)
+	ret.SetToC(false)
+	ret.SetIndentCodeBlock(false)
+	ret.SetAutoSpace(false)
+	ret.SetHeadingID(false)
+	ret.SetSetext(false)
+	ret.SetYamlFrontMatter(false)
+	ret.SetLinkRef(false)
+	ret.SetGFMAutoLink(false) // 导入 Markdown 时不自动转换超链接 https://github.com/siyuan-note/siyuan/issues/7682
+	ret.SetImgPathAllowSpace(true)
+	ret.SetInlineMathAllowDigitAfterOpenMarker(true) // Formula parsing supports $ followed by numbers when importing Markdown https://github.com/siyuan-note/siyuan/issues/8362
+	return
+}