From 58561ed511753c4ef0fd446010daa1c2b7979d42 Mon Sep 17 00:00:00 2001
From: Jonathan Dowland <63694+jmtd@users.noreply.github.com>
Date: Thu, 2 May 2024 09:44:26 +0100
Subject: [PATCH] fix(foldtext): Match (and ignore) balance assertions on
 postings (#154)

---
 ftplugin/ledger.vim | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/ftplugin/ledger.vim b/ftplugin/ledger.vim
index d65ab51..10ce8af 100644
--- a/ftplugin/ledger.vim
+++ b/ftplugin/ledger.vim
@@ -215,13 +215,18 @@ hi link LedgerTarget Statement
 hi link LedgerImproperPerc Special
 " }}}
 
-let s:rx_amount = '\('.
-                \   '\%([0-9]\+\)'.
-                \   '\%([,.][0-9]\+\)*'.
-                \ '\|'.
-                \   '[,.][0-9]\+'.
-                \ '\)'.
-                \ '\s*\%([[:alpha:]¢$€£]\+\s*\)\?'.
+let s:cursym = '[[:alpha:]¢$€£]\+'
+let s:valreg = '\('.
+             \   '\%([0-9]\+\)'.
+             \   '\%([,.][0-9]\+\)*'.
+             \ '\|'.
+             \   '[,.][0-9]\+'.
+             \ '\)'
+let s:optional_balance_assertion = '\(\s*=\s*'.s:cursym.'\s*'.s:valreg.'\)\?'
+
+let s:rx_amount = s:valreg.
+                \ s:optional_balance_assertion.
+                \ '\s*\%('.s:cursym.'\s*\)\?'.
                 \ '\%(\s*;.*\)\?$'
 
 function! LedgerFoldText() "{{{1