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Date: Thu, 10 Nov 2016 07:48:20 -0500 (EST)
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From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: warn about trailing whitespace at the end of comments; missing 
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Log Message:
-----------
warn about trailing whitespace at the end of comments;
missing feature noticed by jmc@

Modified Files:
--------------
    mdocml:
        read.c

Revision Data
-------------
Index: read.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/read.c,v
retrieving revision 1.152
retrieving revision 1.153
diff -Lread.c -Lread.c -u -p -r1.152 -r1.153
--- read.c
+++ read.c
@@ -423,11 +423,17 @@ mparse_buf_r(struct mparse *curp, struct
 				i += 2;
 				/* Comment, skip to end of line */
 				for (; i < blk.sz; ++i) {
-					if ('\n' == blk.buf[i]) {
-						++i;
-						++lnn;
-						break;
-					}
+					if (blk.buf[i] != '\n')
+						continue;
+					if (blk.buf[i - 1] == ' ' ||
+					    blk.buf[i - 1] == '\t')
+						mandoc_msg(
+						    MANDOCERR_SPACE_EOL,
+						    curp, curp->line,
+						    pos, NULL);
+					++i;
+					++lnn;
+					break;
 				}
 
 				/* Backout trailing whitespaces */
--
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