On 2025-02-04 11:59, Hans Hagen wrote:
> Hi,
>
> NOTA BENE:
>
> The next upload is kind of special so best save the old tex tree if 
> you update.
>
Indeed. The following

    \normalizefontwidth \FontA {ABCDEF} {\textwidth} {SerifItalic}
    \starttext
       \FontA ABCDEF
    \stoptext

fails with:

    Tex error       > tex error on line 1 in file
    G:/Projects/Testing/bad.tex: Extra \else

    \endgroup \always \edef \normalizedfontsize {37.77924pt=\zeropoint
    \bodyfontsize

    <macro> \typo_normalizers_size
         #1#2->\dimexpr {#1\b_typo_normalizers }=\zeropoint
    \bodyfontsize \else
         \luaexpr {\number \dimexpr 10pt\relax *\number \dimexpr
    #2\relax /\number #1\b_typo_normalizers }\scaledpoint \fi \relax
    <macro> \typo_normalizers_font_at_size
         #1#2#3#4#5->\begingroup \setbox \b_typo_normalizers \hbox
    {\definedfont [#5 at 10pt]\settrialtypesetting #3}\normalexpanded
    {\endgroup \always \edef \noexpand \normalizedfontsize {\the
    \typo_normalizers_size {#1}{#4}
         }}\definefont [\strippedcsname #2]
    <line 3.1>
         \normalizefontwidth \FontA {ABCDEF} {\textwidth} {SerifItalic}

    1 >>  \normalizefontwidth \FontA {ABCDEF} {\textwidth} {SerifItalic}
    2     \starttext
    3       \FontA ABCDEF
    4     \stoptext
    5
    I'm ignoring this; it doesn't match any \if.

-- 
Rik