[groff] 75/115: src/preproc/eqn/box.cpp: Fix code style nits.

[G. Branden Robinson]

gbranden pushed a commit to branch branden-2022-06-01
in repository groff.

commit a5e3aed21cd7539d81f7ae438aedef2ec9324f37
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Fri Apr 7 21:33:10 2023 -0500

    src/preproc/eqn/box.cpp: Fix code style nits.
    
    * Annotate null pointers with `nullptr` comment to ease any future
      transition to C++11, which defines it as a keyword.
    * Drop trailing spaces on input lines.
    * Wrap overlong input line.
---
 src/preproc/eqn/box.cpp | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/preproc/eqn/box.cpp b/src/preproc/eqn/box.cpp
index 5f6343eeb..b3395a3fb 100644
--- a/src/preproc/eqn/box.cpp
+++ b/src/preproc/eqn/box.cpp
@@ -23,12 +23,12 @@ along with this program.  If not, see 
<http://www.gnu.org/licenses/>. */
 
 const char *current_roman_font;
 
-char *gfont = 0;
-char *grfont = 0;
-char *gbfont = 0;
+char *gfont = 0 /* nullptr */;
+char *grfont = 0 /* nullptr */;
+char *gbfont = 0 /* nullptr */;
 int gsize = 0;
 
-int script_size_reduction = -1;        // negative means reduce by a 
percentage 
+int script_size_reduction = -1;        // negative means reduce by a percentage
 
 int positive_space = -1;
 int negative_space = -1;
@@ -435,7 +435,7 @@ int box::right_is_italic()
 void box::hint(unsigned)
 {
 }
-  
+
 void box::handle_char_type(int, int)
 {
 }
@@ -499,7 +499,8 @@ int pointer_box::compute_metrics(int style)
 void pointer_box::compute_subscript_kern()
 {
   p->compute_subscript_kern();
-  printf(".nr " SUB_KERN_FORMAT " \\n[" SUB_KERN_FORMAT "]\n", uid, p->uid);
+  printf(".nr " SUB_KERN_FORMAT " \\n[" SUB_KERN_FORMAT "]\n", uid,
+        p->uid);
 }
 
 void pointer_box::compute_skew()