docs(manual): Remove blank lines from code blocks where they serve no purpose

Author: alerque

documentation/c03-input.sil

@@ -217,13 +217,11 @@ Here are a few more examples of SILE commands:
 
 \begin[type=autodoc:codeblock]{raw}
 \eject                                   % A command with no parameters or argument
-
 \font[family=Times,size=10pt]            % Parameters, but no argument
-
 \chapter{Introducing SILE}               % Argument but no parameters
-
 \font[family=Times,size=10pt]{Hi there!} % Parameters and argument
 \end{raw}%
+
 \subsection{Environments}
 
 Commands like \autodoc:command{\chapter} (to start a chapter) and \autodoc:command{\em} (to emphasize text) are normally used to enclose a relatively small piece of text—a few lines at most.

documentation/c06-macroscommands.sil

@@ -110,9 +110,7 @@ command.” So if we want to a command which makes things red, we can say:
 
 \begin[type=autodoc:codeblock]{raw}
 \define[command=red]{\color[color=red]{\process}}
-
 …
-
 Making things red is a \red{silly} way to emphasize text.
 \end{raw}
 

documentation/c07-settings.sil

@@ -365,13 +365,9 @@ Harfbuzz, run \code{sile --debug=versions} on any file:
 
 \begin[type=autodoc:codeblock]{raw}
 $ sile --debug=versions hello.sil
-
 ...
-
 Harfbuzz version: 2.4.0
-
 Shapers enabled: graphite2, ot, coretext, coretext_aat, fallback
-
 ...
 \end{raw}
 

documentation/c08-language.sil

@@ -155,7 +155,7 @@ The default is \code{left}.
 \font[family=Noto Sans Ethiopic]{ሰላም፡ልዑል}
 
 \\set[parameter=languages.am.justification,value=centered]
-\font[family=Noto Sans Ethiopic]{ሰላም፡ልዑል}
+\font[family=Noto Sans Ethiopic]{ሰላም፡ልዑል}​
 \end{autodoc:codeblock}
 
 \font[family=Noto Sans Ethiopic,language=am]{ሰላም፡ልዑል}

documentation/c13-tricks.sil

@@ -447,7 +447,7 @@ Sometimes it’s useful for you to try out Lua code within the SILE environment;
 If you call SILE with no input file names, it enters the REPL:
 
 \begin{autodoc:codeblock}
-\sileversion
+​\sileversion
 > \em{l = SILE.types.length("22mm")}
 > \em{l.length}
 22mm

packages/converters/init.lua

@@ -124,7 +124,6 @@ We do this by registering a converter with the \autodoc:command{\converters:regi
 
 \begin[type=autodoc:codeblock]{raw}
 \use[module=packages.converters]
-
 \converters:register[from=.gif,to=.jpg,command=convert $SOURCE $TARGET]
 \end{raw}
 
@@ -140,7 +139,6 @@ This trick also works for text files:
 
 \begin[type=autodoc:codeblock]{raw}
 \converters:register[from=.md, to=.sil, command=pandoc -o $TARGET $SOURCE]
-
 \include[src=document.md]
 \end{raw}
 \end{document}