Give -Thtml and -Txhtml the gift of recognising escapes when calculating

widths (e.g., `Bl -tag -width "\s[blahblah]bar").  This has long since
been done for -Tascii but escaped noticed with -T[x]html.

1 files changed, 1 insertions, 0 deletions

diff --git a/html.h b/html.h
index 4cea5ca5..aa59fc3d 100644
--- a/html.h
+++ b/html.h
@@ -155,6 +155,7 @@ void		  bufncat(struct html *, const char *, size_t);
 void		  bufinit(struct html *);
 
 void		  html_idcat(char *, const char *, int);
+int		  html_strlen(const char *);
 
 __END_DECLS