diff options
| -rw-r--r-- | LICENSE | 2 | ||||
| -rw-r--r-- | eqn_term.c | 19 |
2 files changed, 12 insertions, 9 deletions
@@ -5,7 +5,7 @@ contained in the mdocml toolkit is protected by the Copyright of the following developers: Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> -Copyright (c) 2010, 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> +Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> Copyright (c) 2009, 2010, 2011, 2012 Joerg Sonnenberger <joerg@netbsd.org> Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de> Copyright (c) 1999, 2004 Marc Espie <espie@openbsd.org> @@ -1,7 +1,7 @@ /* $Id$ */ /* * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> - * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -79,14 +79,17 @@ eqn_box(struct termp *p, const struct eqn_box *bp) bp->pos == EQNPOS_TO) ? "^" : "_"); p->flags |= TERMP_NOSPACE; child = child->next; - eqn_box(p, child); - if (bp->pos == EQNPOS_FROMTO || - bp->pos == EQNPOS_SUBSUP) { - p->flags |= TERMP_NOSPACE; - term_word(p, "^"); - p->flags |= TERMP_NOSPACE; - child = child->next; + if (child != NULL) { eqn_box(p, child); + if (bp->pos == EQNPOS_FROMTO || + bp->pos == EQNPOS_SUBSUP) { + p->flags |= TERMP_NOSPACE; + term_word(p, "^"); + p->flags |= TERMP_NOSPACE; + child = child->next; + if (child != NULL) + eqn_box(p, child); + } } } else { child = bp->first; |