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avoid nonstandard entity names (Michael Teichgräber)

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This commit is contained in:
rsc 2006-10-12 02:37:40 +00:00
parent e87d96c291
commit a727811a2c
1 changed files with 25 additions and 8 deletions
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33
src/cmd/tcs/html.c
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@ -13,6 +13,11 @@ struct Hchar
/* <, >, ", & intentionally omitted */
/*
* Names beginning with _ are names we recognize
* (without the underscore) but will not generate,
* because they are nonstandard.
*/
static Hchar byname[] =
{
{"AElig", 198},
@ -116,10 +121,10 @@ static Hchar byname[] =
{"eacute", 233},
{"ecirc", 234},
{"egrave", 232},
{"emdash", 8212}, /* non-standard but commonly used */
{"_emdash", 8212}, /* non-standard but commonly used */
{"empty", 8709},
{"emsp", 8195},
{"endash", 8211}, /* non-standard but commonly used */
{"_endash", 8211}, /* non-standard but commonly used */
{"ensp", 8194},
{"epsilon", 949},
{"equiv", 8801},
@ -159,7 +164,7 @@ static Hchar byname[] =
{"laquo", 171},
{"larr", 8592},
{"lceil", 8968},
{"ldots", 8230},
{"_ldots", 8230},
{"ldquo", 8220},
{"le", 8804},
{"lfloor", 8970},
@ -237,7 +242,7 @@ static Hchar byname[] =
{"sigma", 963},
{"sigmaf", 962},
{"sim", 8764},
{"sp", 8194},
{"_sp", 8194},
{"spades", 9824},
{"sub", 8834},
{"sube", 8838},
@ -266,13 +271,13 @@ static Hchar byname[] =
{"upsih", 978},
{"upsilon", 965},
{"uuml", 252},
{"varepsilon", 8712},
{"_varepsilon", 8712},
{"varphi", 981},
{"varpi", 982},
{"_varpi", 982},
{"varrho", 1009},
{"vdots", 8942},
{"vsigma", 962},
{"vtheta", 977},
{"_vsigma", 962},
{"_vtheta", 977},
{"weierp", 8472},
{"xi", 958},
{"yacute", 253},
@ -309,11 +314,21 @@ static void
html_init(void)
{
static int init;
int i;
if(init)
return;
init = 1;
memmove(byrune, byname, sizeof byrune);
/* Eliminate names we aren't allowed to generate. */
for(i=0; i<nelem(byrune); i++){
if(byrune[i].s[0] == '_'){
byrune[i].r = Runeerror;
byname[i].s++;
}
}
qsort(byname, nelem(byname), sizeof byname[0], hnamecmp);
qsort(byrune, nelem(byrune), sizeof byrune[0], hrunecmp);
}
@ -346,6 +361,8 @@ findbyrune(Rune r)
Hchar *h;
int n, m;
if(r == Runeerror)
return nil;
h = byrune;
n = nelem(byrune);
while(n > 0){