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Don't emit AlternateSets that will be overridden

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Just in case TTX changes its behaviour in this area in the future.
This commit is contained in:
Ben Harris 2025-01-02 00:53:02 +00:00
parent ad5c574321
commit 1be864fb48
1 changed files with 10 additions and 3 deletions
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13
bedstead.c
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@ -3668,7 +3668,7 @@ dogsub(void)
static void
doaltsubs(int noverrides, const struct alt_sub_override overrides[noverrides])
{
int i, j;
int i, j, next_override = 0;
for (i = 1; i < nglyphs; i++) {
#define HASDOT(x) (strchr(glyphs_by_name[x]->name, '.') != NULL)
@ -3680,15 +3680,22 @@ doaltsubs(int noverrides, const struct alt_sub_override overrides[noverrides])
* name comes immediately after the unqualified one.
*/
if (HASDOT(i)) {
printf(" <AlternateSet glyph='%s'>",
bool overridden = next_override < noverrides &&
strcmp(glyphs_by_name[i-1]->name,
overrides[next_override].base) == 0;
printf(" %s<AlternateSet glyph='%s'>",
overridden ? "<!-- " : "",
glyphs_by_name[i-1]->name);
for (; i < nglyphs && HASDOT(i); i++)
printf("<Alternate glyph='%s'/>",
glyphs_by_name[i]->name);
printf("</AlternateSet>\n");
printf("</AlternateSet>%s\n",
overridden ? " -->" : "");
next_override += overridden;
}
}
printf(" <!-- overrides -->\n");
for (i = 0; i < noverrides; i++) {
printf(" <AlternateSet glyph='%s'>", overrides[i].base);
for (j = 0; j < MAX_ALT_SUB_OVERRIDE &&