Modify: recursion detection for XML macros

[ChrisCoxArt]

Fixes #447

Pull Request Checklist

• Have you followed the guidelines in Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same change?
• Have you built your Pull Request locally with the Build Instructions?
• Have you added or updated relevant tests?
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[xsscx]

Repro

Tue Jan 6 16:31:09 EST 2026

1b60a4b
1b60a4b (HEAD -> pr-450, origin/issue-447) remove old fix for #384

git clone https://github.com/InternationalColorConsortium/iccDEV.git
cd iccDEV/Build
git fetch origin pull/450/head:pr-450
git checkout pr-450
         cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_INSTALL_PREFIX="$HOME/.local" -DCMAKE_BUILD_TYPE=Debug -Wno-dev -DCMAKE_CXX_FLAGS="-g -fsanitize=address,undefined -fno-sanitize=leak -fno-omit-frame-pointer -Wall" -DENABLE_TOOLS=ON -DENABLE_STATIC_LIBS=ON -DENABLE_SHARED_LIBS=ON Cmake > cmake.log 2>&1
make -j32

        cd ../Testing/
        echo "=== Updating PATH ==="
         for d in ../Build/Tools/*; do
          [ -d "$d" ] && export PATH="$(realpath "$d"):$PATH"
         done

wget https://raw.githubusercontent.com/xsscx/Commodity-Injection-Signatures/refs/heads/master/xml/icc/issue-384-moreEvil.xml

iccFromXml issue-384-moreEvil.xml oops.icc

Expected Output

Macro recursion detected in call to 'b'
Unable to parse element of type CIccMpeXmlCalculator
Unable to parse element (CalculatorElement) starting on line 88
Unable to Parse "multiProcessElementType" (BToA1Tag) Tag on line 87

Unable to Parse 'issue-384-moreEvil.xml'