docs: resolve overfull hboxes >=20pt

Signed-off-by: Yukai Chou <[email protected]>

doc/generic/pgf/CHANGELOG.md

@@ -21,6 +21,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Typo fixes in the manual
 - Simplify short verb `|...|` or add required preamble for it
 - Harden parser for math expressions against active chars
+- Resolve overfull hboxes >=20pt in the manual
 
 ### Contributors
 

doc/generic/pgf/pgfmanual-en-gd-usage-pgf.tex

@@ -410,9 +410,9 @@ \subsubsection{Graph Drawing Scopes}
     |(10pt,20pt)--(30pt,40pt)| in \tikzname-syntax and may include the path
     commands |--|,  |..| (followed by Bézier coordinates), and |--cycle|.
 
-    The parameter \meta{animations} contains algorithmically-generated
-    animation commands (calls to |\pgfanimateattribute|. The |whom| will be set
-    to |pgf@gd|.
+    The last parameter \meta{animations} contains algorithmically-generated
+    animation commands (calls to |\pgfanimateattribute|). The |whom|
+    will be set to |pgf@gd|.
 
     The default \meta{macro} simply draws a line between the nodes. When the
     |graphdrawing| library of the \tikzname\ layer is loaded, a more fancy

doc/generic/pgf/pgfmanual-en-library-automata.tex

@@ -284,10 +284,11 @@ \subsection{Examples}
 are orange. Then, we must find a path from a red state to a green state.
 %
 \begin{codeexample}[preamble={\usetikzlibrary{arrows.meta,automata,positioning,shadows}}]
-\begin{tikzpicture}[shorten >=1pt,node distance=2cm,on grid,>={Stealth[round]},thick,
-    every state/.style={fill,draw=none,orange,text=white,circular drop shadow},
-    accepting/.style  ={green!50!black,text=white},
-    initial/.style    ={red,text=white}]
+\begin{tikzpicture}
+  [shorten >=1pt,node distance=2cm,on grid,>={Stealth[round]},thick,
+   every state/.style={fill,draw=none,orange,text=white,circular drop shadow},
+   accepting/.style  ={green!50!black,text=white},
+   initial/.style    ={red,text=white}]
 
   \node[state,initial]  (q_0)                      {$q_0$};
   \node[state]          (q_1) [above right=of q_0] {$q_1$};
@@ -306,7 +307,7 @@ \subsection{Examples}
 The next example is the current candidate for the five-state busiest beaver:
 %
 \begin{codeexample}[preamble={\usetikzlibrary{arrows.meta,automata,positioning}}]
-\begin{tikzpicture}[->,>={Stealth[round]},shorten >=1pt,%
+\begin{tikzpicture}[->,>={Stealth[round]},shorten >=1pt,
                     auto,node distance=2cm,on grid,semithick,
                     inner sep=2pt,bend angle=45]
   \node[initial,state] (A)                    {$q_a$};

doc/generic/pgf/pgfmanual-en-library-circuits.tex

@@ -90,7 +90,7 @@ \subsubsection{A First Example}
 \emph{exactly the same source code}, with only the options of the
 |{tikzpicture}| environment replaced by
 |[rotate=-90,circuit ee IEC,x=3.25cm,y=2.25cm]|:
-%
+
 \begin{tikzpicture}[rotate=-90,circuit ee IEC,x=3cm,y=2.25cm]
   % Let us start with some contacts:
   \foreach \contact/\y in {1/1,2/2,3/3.5,4/4.5,5/5.5}

doc/generic/pgf/pgfmanual-en-library-patterns.tex

@@ -221,8 +221,9 @@ \subsection{User-Defined Patterns}
 just rotate in the drawing code.
 
 \begin{pattern}{Lines}
-    The |Lines| pattern replaces the |horizontal lines|, |vertical lines|,
-    |north east lines|, and |north west lines| patterns. Unfortunately, due to
+    The |Lines| pattern replaces four patterns: |horizontal lines|,
+    |vertical lines|, |north east lines|, and |north west lines|.
+    Unfortunately, due to
     the way the old patterns are constructed, namely that they are not simply
     related to each other by rotation, the |Lines| pattern cannot be used as a
     drop-in replacement.

doc/generic/pgf/pgfmanual-en-library-rdf.tex

@@ -254,16 +254,16 @@ \subsection{Creating Statements}
             \item As for |subject| and |predicate|, you can use the syntax
                 |(|\meta{name of node or scope}|)| to create and use a curie
                 for the node or scope.
-            \item If the \meta{object} starts with |"|, it must have the syntax
-                |"|\meta{literals}|"|. In this case, the object of the
+            \item If the \meta{object} starts with |"| and is of the form
+                |"|\meta{literals}|"|, the object of the
                 statement is not a curie (not a normal ``resource'') but the
                 string of \meta{literals} given.
             \item If the \meta{object} is the text ``|scope content|'', the
                 object of the statement is actually the whole contents of the
                 scope to which this statement is attached.
-            \item The two previous cases can be combined in the form of an
-                object of the form |"|\meta{literals}|" and scope content|. In
-                this case, the contents of the scope is ``normally'' the
+            \item Finally if the \meta{object} is of the form
+                |"|\meta{literals}|" and scope content|, the contents of the
+                scope is ``normally'' the
                 object, but this gets ``overruled'' by the \meta{literals}.
                 Formally, this means that the object is the \meta{literals},
                 but the intended semantics is that the object is the scope

doc/generic/pgf/pgfmanual-en-pgfsys-commands.tex

@@ -922,10 +922,14 @@ \subsection{Transparency System Commands}
     transformation should not apply to the following graphics, however.
 \end{command}
 
+\pagebreak[2]
 \begin{command}{\pgfsys@clipfading}
     This command has a default implementation and need not be implemented by
     driver files other than |pgfsys-dvips.def|. The macro is called
-    in |\pgfsetfadingforcurrentpath| and |\pgfsetfadingforcurrentpathstroked|
+    in
+    \begin{quote}
+      |\pgfsetfadingforcurrentpath| and |\pgfsetfadingforcurrentpathstroked|
+    \end{quote}
     of the basic layer, where it invokes the current path for clipping the
     shading just before installing it as an opacity mask for fading. The
     default implementation is actually a non-operation, but with |dvips| it

doc/generic/pgf/pgfmanual-en-tikz-transparency.tex

@@ -455,9 +455,9 @@ \subsubsection{Creating Fadings}
     %
 \begin{codeexample}[preamble={\usetikzlibrary{fadings,patterns}}]
 \begin{tikzfadingfrompicture}[name=tikz]
-  \node [text=transparent!20]
-  {\fontencoding{T1}\fontfamily{ptm}\fontsize{45}{45}\bfseries\selectfont
-    Ti\emph{k}Z};
+  \node [text=transparent!20,
+         font=\fontencoding{T1}\fontfamily{ptm}\fontsize{45}{45}\bfseries]
+    {Ti\emph{k}Z};
 \end{tikzfadingfrompicture}
 
 % Now we use the fading in another picture:
@@ -856,8 +856,9 @@ \subsection{Transparency Groups}
   \shade [left color=red,right color=blue] (-2,-1) rectangle (2,1);
   \begin{scope}[transparency group=knockout]
     \fill [white] (-1.9,-.9) rectangle (1.9,.9);
-    \node [opacity=0,font=\fontencoding{T1}\fontfamily{ptm}\fontsize{45}{45}\bfseries]
-          {Ti\emph{k}Z};
+    \node [opacity=0,
+           font=\fontencoding{T1}\fontfamily{ptm}\fontsize{45}{45}\bfseries]
+      {Ti\emph{k}Z};
   \end{scope}
 \end{tikzpicture}
 \end{codeexample}