From b209d9abcec89032e662e74e4c1f34da21dc4640 Mon Sep 17 00:00:00 2001
From: Takahiro Ueda <t.ueda.od@juntendo.ac.jp>
Date: Tue, 3 Mar 2026 15:20:28 +0900
Subject: [PATCH] docs(manual): suppress unnecessary equation numbers

- Suppress equation numbers (7.4) and (7.5) in the Stuffle subsection
  and for equation (14.1).
- Remove \setcounter{equation}{N}.
- Add missing `&` alignment markers to prevent right-justified equations
  in LaTeX2HTML output.
---
 doc/manual/float.tex      |  2 +-
 doc/manual/gamma.tex      |  6 +++---
 doc/manual/statements.tex | 14 ++++----------
 3 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/doc/manual/float.tex b/doc/manual/float.tex
index 19258ffcf..a9a7b50cd 100644
--- a/doc/manual/float.tex
+++ b/doc/manual/float.tex
@@ -47,7 +47,7 @@ \section{Conversion between rational and floating point coefficients}
 \item[ToRational] Attempts to convert floating point coefficients to 
 rational numbers. To this end it uses continued fractions as in
 \begin{eqnarray}
-	x \;\rightarrow\; n_0 + \frac{1}{\,n_1 + \frac{1}{\,n_2 + \frac{1}{\,n_3 + \cdots}}}\;,
+	x & \;\rightarrow\; & n_0 + \frac{1}{\,n_1 + \frac{1}{\,n_2 + \frac{1}{\,n_3 + \cdots}}}\;,
 	\nonumber
 \end{eqnarray}
 with $x$ a floating point number. The algorithm keeps track of the 
diff --git a/doc/manual/gamma.tex b/doc/manual/gamma.tex
index 705bbd677..41289a7a3 100644
--- a/doc/manual/gamma.tex
+++ b/doc/manual/gamma.tex
@@ -77,9 +77,9 @@ \chapter{Dirac algebra}
 their origin in the Chisholm\index{Chisholm} relation that is valid in 4 
 dimensions but not in a general number of dimensions. This relation can be 
 found in the literature. It is given by:
-\begin{equation}
-    \gamma_\mu Tr[\gamma_\mu S] = 2(S + S^R)
-\end{equation}
+\begin{eqnarray}
+    \gamma_\mu Tr[\gamma_\mu S] & = & 2(S + S^R) \nonumber
+\end{eqnarray}
 \noindent in which S is a string of gamma matrices with an odd number of 
 matrices ($\gamma_5$ counts for an even number of matrices). $S^R$ is the 
 reversed string. This relation can be used to combine traces with common 
diff --git a/doc/manual/statements.tex b/doc/manual/statements.tex
index c3299bc5c..bbe93e316 100644
--- a/doc/manual/statements.tex
+++ b/doc/manual/statements.tex
@@ -529,7 +529,6 @@ \section{chisholm}
     \gamma_a\gamma_\mu\gamma_b \Tr[\gamma_\mu S] & = &
          2\gamma_a( S + S^R ) \gamma_b  \nonumber
 \end{eqnarray}
-\setcounter{equation}{2}
 in order to contract traces. $S$ is here a string of
 gamma\index{gamma matrices} matrices and $S^R$ is the reverse string. This 
 identity is particularly useful when the matrices $\gamma_6 = 1+\gamma_5$ 
@@ -4688,7 +4687,6 @@ \section{ratio}
             c^ib^{n-m-i}
             \ \ \ \ \ \ \ \hfill m<n \nonumber
 \end{eqnarray}
-\setcounter{equation}{3}
 Of course, such substitutions can be made also by the user in a more 
 flexible way. This statement has however the advantage of the best speed.
 \vspace{4mm}
@@ -5364,16 +5362,14 @@ \section{stuffle}
 \begin{eqnarray}
     \sum_{i=1}^N \sum_{i=1}^N & = & \sum_{i=1}^N \sum_{j=1}^{i-1}
         + \sum_{j=1}^N \sum_{i=1}^{j-1}
-        + \sum_{i=j=1}^N
+        + \sum_{i=j=1}^N \nonumber
 \end{eqnarray}
-\setcounter{equation}{4}
 while in the case of the minus the definition is
 \begin{eqnarray}
     \sum_{i=1}^N \sum_{i=1}^N & = & \sum_{i=1}^N \sum_{j=1}^{i}
         + \sum_{j=1}^N \sum_{i=1}^{j}
-        - \sum_{i=j=1}^N
+        - \sum_{i=j=1}^N \nonumber
 \end{eqnarray}
-\setcounter{equation}{5}
 It is assumed that we have harmonic sums\index{harmonic sum} (see the 
 summer library in the \FORM\ distribution). For such sums we expect 
 functions with lists of nonzero integer arguments. Example:
@@ -5966,9 +5962,8 @@ \section{totensor}
 replaced by the specified tensor with all the indices of these vectors. To 
 make this clearer:
 \begin{eqnarray}
-    p^{\mu_1}p^{\mu_2}p^{\mu_3} \rightarrow t^{\mu_1\mu_2\mu_3} \nonumber
+    p^{\mu_1}p^{\mu_2}p^{\mu_3} & \rightarrow & t^{\mu_1\mu_2\mu_3} \nonumber
 \end{eqnarray}
-\setcounter{equation}{6}
 and hence
 % THIS EXAMPLE IS PART OF THE TESTSUITE. CHANGES HERE SHOULD BE APPLIED THERE AS
 % WELL! (Sta_ToTensor_1)
@@ -6016,9 +6011,8 @@ \section{tovector}
 statement. The tensor is replaced by a product of the given vectors, each 
 with one of the indices of the tensor as in:
 \begin{eqnarray}
-    t^{\mu_1\mu_2\mu_3} \rightarrow p^{\mu_1}p^{\mu_2}p^{\mu_3} \nonumber
+    t^{\mu_1\mu_2\mu_3} & \rightarrow & p^{\mu_1}p^{\mu_2}p^{\mu_3} \nonumber
 \end{eqnarray}\vspace{10mm}
-\setcounter{equation}{7}
 
 %--#] tovector : 
 %--#[ trace4 :