diff options
| -rw-r--r-- | eqn.c | 30 |
1 files changed, 22 insertions, 8 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: eqn.c,v 1.29 2017/06/21 20:47:46 schwarze Exp $ */ +/* $Id$ /* * Copyright (c) 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org> @@ -84,6 +84,8 @@ enum eqn_tok { EQN_TOK_ABOVE, EQN_TOK__MAX, EQN_TOK_FUNC, + EQN_TOK_QUOTED, + EQN_TOK_SYM, EQN_TOK_EOF }; @@ -517,7 +519,7 @@ eqn_tok_parse(struct eqn_node *ep, char **p) if (quoted) { if (p != NULL) *p = mandoc_strndup(start, sz); - return EQN_TOK__MAX; + return EQN_TOK_QUOTED; } for (i = 0; i < EQN_TOK__MAX; i++) @@ -528,7 +530,7 @@ eqn_tok_parse(struct eqn_node *ep, char **p) if (STRNEQ(start, sz, eqnsyms[i].str, strlen(eqnsyms[i].str))) { mandoc_asprintf(p, "\\[%s]", eqnsyms[i].sym); - return EQN_TOK__MAX; + return EQN_TOK_SYM; } } @@ -1084,8 +1086,10 @@ this_tok: * TODO: make sure we're not in an open subexpression. */ return ROFF_EQN; - case EQN_TOK_FUNC: case EQN_TOK__MAX: + case EQN_TOK_FUNC: + case EQN_TOK_QUOTED: + case EQN_TOK_SYM: assert(p != NULL); /* * If we already have something in the stack and we're @@ -1112,17 +1116,27 @@ this_tok: cur->text = p; /* * If not inside any explicit font context, - * give every letter its own box. + * quoted strings become italic, and every letter + * of a bare string gets its own italic box. */ - if (fontp == NULL && *p != '\0') { + do { + if (fontp != NULL || *p == '\0' || + tok == EQN_TOK_SYM) + break; + if (tok == EQN_TOK_QUOTED) { + cur->font = EQNFONT_ITALIC; + break; + } cp = p; for (;;) { + if (isalpha((unsigned char)*cp)) + cur->font = EQNFONT_ITALIC; cpn = cp + 1; if (*cp == '\\') mandoc_escape(&cpn, NULL, NULL); if (*cpn == '\0') break; - if (isalpha((unsigned char)*cp) == 0 && + if (cur->font != EQNFONT_ITALIC && isalpha((unsigned char)*cpn) == 0) { cp = cpn; continue; @@ -1137,7 +1151,7 @@ this_tok: cur = nbox; cp = nbox->text; } - } + } while (0); /* * Post-process list status. */ |