diff options
Diffstat (limited to 'Src')
| -rw-r--r-- | Src/subst.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/Src/subst.c b/Src/subst.c index 5a12e127f..d4a04b8e5 100644 --- a/Src/subst.c +++ b/Src/subst.c @@ -259,10 +259,19 @@ stringsubst(LinkList list, LinkNode node, int pf_flags, int asssub) #endif str--; } else if (c == Inparmath) { - /* Math substitution of the form $((...)) */ + /* + * Math substitution of the form $((...)). + * These can be nested, for goodness sake... + */ + int mathpar = 1; str[-1] = '\0'; - while (*str != Outparmath && *str) + while (mathpar && *str) { str++; + if (*str == Outparmath) + mathpar--; + else if (*str == Inparmath) + mathpar++; + } if (*str != Outparmath) { zerr("failed to find end of math substitution"); return NULL; |