From 6d25e890d85430818fda78778b223a1343345513 Mon Sep 17 00:00:00 2001
From: Ingmar Schoegl <ischoegl@lsu.edu>
Date: Mon, 17 Jul 2023 11:59:32 -0600
Subject: [PATCH] [docs] Resolve #1535

---
 include/cantera/base/clockWC.h          | 2 ++
 include/cantera/base/stringUtils.h      | 7 +++++++
 include/cantera/kinetics/EdgeKinetics.h | 2 --
 include/cantera/numerics/Integrator.h   | 8 ++++----
 4 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/include/cantera/base/clockWC.h b/include/cantera/base/clockWC.h
index 07decb959b4..d4c17e9a35f 100644
--- a/include/cantera/base/clockWC.h
+++ b/include/cantera/base/clockWC.h
@@ -14,6 +14,8 @@
 namespace Cantera
 {
 
+//! @defgroup globalUtilFuncs Global Utility Functions
+
 //! The class provides the wall clock timer in seconds
 /*!
  * This routine relies on the ANSI C routine, clock(), for its basic operation.
diff --git a/include/cantera/base/stringUtils.h b/include/cantera/base/stringUtils.h
index eb343eeeb16..092b55cd149 100644
--- a/include/cantera/base/stringUtils.h
+++ b/include/cantera/base/stringUtils.h
@@ -14,6 +14,11 @@
 namespace Cantera
 {
 
+//! @defgroup StringConversion String Conversion
+//! Utility functions for conversion of formatted strings.
+//! @ingroup globalUtilFuncs
+//! @{
+
 //! Convert a vector to a string (separated by commas)
 /*!
  * @param v     vector to be converted
@@ -142,6 +147,8 @@ std::string toLowerCopy(const std::string& input);
  */
 bool caseInsensitiveEquals(const std::string &input, const std::string &test);
 
+//! @}
+
 }
 
 #endif
diff --git a/include/cantera/kinetics/EdgeKinetics.h b/include/cantera/kinetics/EdgeKinetics.h
index b2dd471c47b..ae4d675f7b1 100644
--- a/include/cantera/kinetics/EdgeKinetics.h
+++ b/include/cantera/kinetics/EdgeKinetics.h
@@ -1,7 +1,5 @@
 /**
  * @file EdgeKinetics.h
- *
- * @ingroup electrochem
  */
 
 // This file is part of Cantera. See License.txt in the top-level directory or
diff --git a/include/cantera/numerics/Integrator.h b/include/cantera/numerics/Integrator.h
index 8b519494f0e..2ccb35376fc 100644
--- a/include/cantera/numerics/Integrator.h
+++ b/include/cantera/numerics/Integrator.h
@@ -2,10 +2,6 @@
  *  @file Integrator.h
  */
 
-/**
- * @defgroup intGroup Integrators for initial value problems
- */
-
 // This file is part of Cantera. See License.txt in the top-level directory or
 // at https://cantera.org/license.txt for license and copyright information.
 
@@ -335,6 +331,10 @@ class Integrator
 };
 
 // defined in Integrators.cpp
+
+//! Create new Integrator object
+//! @param itype Integration mode; either \c CVODE or \c IDA
+//! @ingroup odeGroup
 Integrator* newIntegrator(const std::string& itype);
 
 } // namespace