From 29d81e3863dd478023fdb3cb5e89908683f6924d Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Sat, 20 Dec 2025 21:41:12 +0000
Subject: [PATCH] Fix multi-line env var handling in spellcheck workflow

When git diff returns multiple changed markdown files, the newlines
in CHANGED_FILES caused GitHub Actions to fail with "Invalid format"
error. Use heredoc syntax for proper multi-line value handling.
---
 .github/workflows/spellcheck.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index 9e7c826..d05af7a 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -34,7 +34,12 @@ jobs:
             echo "Manual or non-PR event detected; checking all Markdown files."
             CHANGED_FILES=$(git ls-files '*.md' || true)
           fi
-          echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
+          # Use heredoc syntax for multi-line values in GITHUB_ENV
+          {
+            echo 'CHANGED_FILES<<EOF'
+            echo "$CHANGED_FILES"
+            echo 'EOF'
+          } >> $GITHUB_ENV
 
       # Step 4: Run spellcheck on changed files
       - name: Run cspell