From 39ef87d3ce39152febc130aa95e25dc0722c3525 Mon Sep 17 00:00:00 2001
From: adelon <22380201+adelon@users.noreply.github.com>
Date: Tue, 12 Aug 2025 00:37:28 +0200
Subject: Allow relation symbols with parameters

Parameters must follow the relation symbol and be surrounded by braces, like so: `\rel{x}{y}{z}`.

This attempt is still brittle/broken in a few ways:
- It makes using braces in creative ways in mixfix notation ambiguous.
- It does not verify that the parameters are used in a consistent manner for each symbol. It essentially allows users to define  `a\MyRel b` and `a\MyRel{x} b` (and ones with even more parameters).
- It allows parameters for all relation symbols, even for those where it makes no sense in ordinary TeX markup, e.g. `a <{x} b`.
---
 test/golden/abbr/parsing.golden | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

(limited to 'test/golden/abbr')

diff --git a/test/golden/abbr/parsing.golden b/test/golden/abbr/parsing.golden
index 2bc8148..77a4c47 100644
--- a/test/golden/abbr/parsing.golden
+++ b/test/golden/abbr/parsing.golden
@@ -24,7 +24,7 @@
                             ) Positive
                             ( RelationSymbol
                                 ( Command "in" )
-                            )
+                            ) []
                             ( ExprVar
                                 ( NamedVar "x" ) :| []
                             )
@@ -105,7 +105,7 @@
                     ) Positive
                     ( RelationSymbol
                         ( Symbol "=" )
-                    )
+                    ) []
                     ( ExprVar
                         ( NamedVar "x" ) :| []
                     )
@@ -181,7 +181,7 @@
                     ) Positive
                     ( RelationSymbol
                         ( Symbol "=" )
-                    )
+                    ) []
                     ( ExprVar
                         ( NamedVar "y" ) :| []
                     )
@@ -240,7 +240,7 @@
                         ) Positive
                         ( RelationSymbol
                             ( Symbol "=" )
-                        )
+                        ) []
                         ( ExprVar
                             ( NamedVar "y" ) :| []
                         )
@@ -267,7 +267,7 @@
                         ) Positive
                         ( RelationSymbol
                             ( Command "notin" )
-                        )
+                        ) []
                         ( ExprVar
                             ( NamedVar "y" ) :| []
                         )
@@ -282,7 +282,7 @@
                         ) Negative
                         ( RelationSymbol
                             ( Command "in" )
-                        )
+                        ) []
                         ( ExprVar
                             ( NamedVar "y" ) :| []
                         )
@@ -340,7 +340,7 @@
                         ) Positive
                         ( RelationSymbol
                             ( Command "in" )
-                        )
+                        ) []
                         ( ExprVar
                             ( NamedVar "y" ) :| []
                         )
@@ -396,7 +396,7 @@
                         ) Positive
                         ( RelationSymbol
                             ( Symbol "=" )
-                        )
+                        ) []
                         ( ExprVar
                             ( NamedVar "y" ) :| []
                         )
-- 
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