%% LyX 2.4.0dev created this file.  For more info, see https://www.lyx.org/.
%% Do not edit unless you really know what you are doing.
\documentclass[greek,english]{article}
\usepackage{lmodern}
\usepackage[LGR,T1]{fontenc}
\usepackage[iso-8859-7]{inputenc}
\usepackage{textcomp}
\usepackage{babel}
\usepackage{xfrac}
\usepackage{textalpha}

\newcommand{\nd}{\textlatin{\sfrac{n}{d}}}

\newcommand{\topic}{\medskip\noindent}

\begin{document}

\subsection*{Input encoding ISO 8859-7}

Greek:

... 0 1 2 3 4 5 6 7 8 9 A B C D E F

A: \foreignlanguage{greek}{\textlatin{\small NBSP} ¡ ¢ £ ¤ \nd{} ¦ §
   			   ¨ © ª « ¬ \textlatin{\small SHY} \nd{} ¯}

B: \foreignlanguage{greek}{° ± ² ³ ´ µ ¶ ·
   			   ¸ ¹ º » ¼ ½ ¾ ¿}

C: \foreignlanguage{greek}{À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï}

D: \foreignlanguage{greek}{Ð Ñ \nd{} Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß}

E: \foreignlanguage{greek}{à á â ã ä å æ ç è é ê ë ì í î ï}

F: \foreignlanguage{greek}{ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ \nd}


\topic English (with package `textalpha'):

... 0 1 2 3 4 5 6 7 8 9 A B C D E F

A: {\textlatin{\small NBSP} ¡ ¢ £ ¤ \nd{} ¦ §
    ¨ © ª « ¬ \textlatin{\small SHY} \nd{} ¯}

B: {° ± ² ³ ´ µ ¶ ·
    ¸ ¹ º » ¼ ½ ¾ ¿}

C: {À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï}

D: {Ð Ñ \nd{} Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß}

E: {à á â ã ä å æ ç è é ê ë ì í î ï}

F: {ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ \nd}

\topic
{\footnotesize
Legend:

SHY: Soft Hyphen

NBSP: No Break Space

\nd: not defined in LGR font encoding
}


\subsubsection*{Test No Break Space and Soft Hyphen}

\begin{description}

\item[|] \hfill $\leftarrow$ margins $\rightarrow$ \hfill |
\item[NBSP:]
  \begin{flushleft} (flush left) No Break Space No Break Space
   No Break Space No Break Space No Break Space
  \end{flushleft}

\item[SHY:] \ldots{} Soft­Hyphen Soft­Hyphen Soft­Hyphen
  Soft­Hyphen Soft­Hyphen Soft­Hyphen
\item[|] \hfill $\leftarrow$ margins $\rightarrow$ \hfill |
\end{description}

\end{document}