diff options
Diffstat (limited to 'Build/source')
-rw-r--r-- | Build/source/texk/web2c/hitexdir/hitex.w | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/Build/source/texk/web2c/hitexdir/hitex.w b/Build/source/texk/web2c/hitexdir/hitex.w index edb8693273a..1b143ab0d59 100644 --- a/Build/source/texk/web2c/hitexdir/hitex.w +++ b/Build/source/texk/web2c/hitexdir/hitex.w @@ -21150,13 +21150,16 @@ static bool its_all_over(void) /*do this when \.{\\end} or \.{\\dump} occurs*/ {@+ if (privileged()) {@+if ((page_head==page_tail)&&(dead_cycles==0)) - {@+pointer p=head; - if (option_no_empty_page) - while (p!=tail) + { + if (head==tail) return true; + else if (option_no_empty_page) + { pointer p=link(head); + while (p!=null) { if (is_visible(p)) break; else p=link(p); } - if (p==tail) return true; + if (p==null) return true; + } } back_input(); /*we will try to end again after ejecting residual material*/ tail_append(new_set_node()); @@ -30791,7 +30794,7 @@ static void build_page(void) do { pointer p= link(contrib_head); pointer q=null; /* for output nodes */ - pointer *t; /*the tail of the output nodes*/ + pointer *t=NULL; /*the tail of the output nodes*/ bool eject=(type(p)==penalty_node && penalty(p)<=eject_penalty); @<Record the bottom mark@>@; @<Suppress empty pages if requested@>@; @@ -30860,6 +30863,11 @@ an eject penalty until either something gets printed on the page or another eject penalty comes along. To override the delayed output, a penalty less or equal to a double |eject_penalty| can be used. The function |its_all_over| is an example for such a use. +It seems that the eliminated nodes do not contain anything of value +for the output routine, but the output routine might have other +resources, like the first column of a two column page, which it might +put back on the contribution list. So it is wise to call the output routine +and give it a chance. @<Suppress empty pages if requested@>= if (option_no_empty_page && @@ -31049,7 +31057,7 @@ if (!is_char_node(*p)) @ @<Fire up the output routine for |q|@>= { pointer r=new_null_box();type(r)=vlist_node; subtype(r)=0;shift_amount(r)=0;height(r)=hvsize; - if (t==NULL) list_ptr(r)=new_glue(ss_glue); + if (t==NULL) list_ptr(r)=null; else { list_ptr(r)=q; *t=new_glue(ss_glue); } flush_node_list(box(255)); /* just in case \dots */ box(255)=r; |