From 7d5130835c8d768f96399c958b8171c88e00002d Mon Sep 17 00:00:00 2001
From: Jim Fehrle
Date: Sun, 22 Mar 2020 21:49:56 -0700
Subject: Format hyperlink targets and link ids with the same name (translate
 '_' to '-' consistently)

---
 doc/tools/coqrst/coqdomain.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/tools/coqrst/coqdomain.py b/doc/tools/coqrst/coqdomain.py
index 84f32e187b..0b94b0d675 100644
--- a/doc/tools/coqrst/coqdomain.py
+++ b/doc/tools/coqrst/coqdomain.py
@@ -519,7 +519,7 @@ class ProductionObject(CoqObject):
             row = nodes.inline(classes=['prodn-row'])
             entry = nodes.inline(classes=['prodn-cell-nonterminal'])
             if lhs != "":
-                target_name = 'grammar-token-' + lhs
+                target_name = 'grammar-token-' + nodes.make_id(lhs)
                 target = nodes.target('', '', ids=[target_name], names=[target_name])
                 # putting prodn-target on the target node won't appear in the tex file
                 inline = nodes.inline(classes=['prodn-target'])
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