branch master updated: * install-info/install-info.c (output_dirfile): Do not insert a blank line before a new section if one is there already. This prevents the number of blank lines continually increasing if a section is repeatedly deleted and inserted.

[Gavin D. Smith]

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gavin pushed a commit to branch master
in repository texinfo.

The following commit(s) were added to refs/heads/master by this push:
     new 8ed5b64537 * install-info/install-info.c (output_dirfile): Do not 
insert a blank line before a new section if one is there already.  This 
prevents the number of blank lines continually increasing if a section is 
repeatedly deleted and inserted.
8ed5b64537 is described below

commit 8ed5b64537b41f2b30a332b1a5007d939c4c150d
Author: John Wheeler <wheelerwjx9@runbox.com>
AuthorDate: Sat Jul 29 12:59:32 2023 +0100

    * install-info/install-info.c (output_dirfile):
    Do not insert a blank line before a new section if one is there
    already.  This prevents the number of blank lines continually
    increasing if a section is repeatedly deleted and inserted.
---
 ChangeLog                   | 7 +++++++
 install-info/install-info.c | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 4d977f562b..8cfe7ac32b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2023-07-29  John Wheeler <wheelerwjx9@runbox.com>  (tiny change)
+
+       * install-info/install-info.c (output_dirfile):
+       Do not insert a blank line before a new section if one is there
+       already.  This prevents the number of blank lines continually
+       increasing if a section is repeatedly deleted and inserted.
+
 2023-07-29  Gavin Smith <gavinsmith0123@gmail.com>
 
        * doc/texinfo-tex-test.texi (Index and paragraphs): Remove section
diff --git a/install-info/install-info.c b/install-info/install-info.c
index 150b7c199c..0264010c2b 100644
--- a/install-info/install-info.c
+++ b/install-info/install-info.c
@@ -1021,7 +1021,9 @@ output_dirfile (char *dirfile, int dir_nlines, struct 
line_data *dir_lines,
                 {
                   int k;
 
-                  putc ('\n', output);
+                  /* If the preceding line is not blank, add a blank line */
+                  if (i >= 1 && dir_lines[i - 1].size > 0)
+                    putc ('\n', output);
                   fputs (spec->name, output);
                   putc ('\n', output);
                   spec->missing = 0;