From 5bbec63a11e44feb1ff550a16c486fef68a3eaac Mon Sep 17 00:00:00 2001
From: Eric Wieser <wieser.eric@gmail.com>
Date: Mon, 21 Oct 2019 10:57:57 +0100
Subject: [PATCH] Allow use of math preview in embedded latex scopes

The previous formulation required character 0 of the document to be consider LaTeX. This change allows the preview to apply to any document which contains embedded latex scopes.
---
 st_preview/preview_math.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/st_preview/preview_math.py b/st_preview/preview_math.py
index 1f727f86..4175f16d 100644
--- a/st_preview/preview_math.py
+++ b/st_preview/preview_math.py
@@ -529,7 +529,7 @@ def _read_latex_template_file(self, refresh=False):
     def is_applicable(cls, settings):
         try:
             view = inspect.currentframe().f_back.f_locals['view']
-            return view.score_selector(0, 'text.tex.latex') > 0
+            return len(view.find_by_selector('text.tex.latex')) > 0
         except KeyError:
             syntax = settings.get('syntax')
             return syntax == 'Packages/LaTeX/LaTeX.sublime-syntax'