Improved .mdp file comment about the 'define' field

The -D examples were less helpful than the new ones, which provide
a hint not to use -DPOSRE, and a clue that variable names are
case-sensitive.

diff --git a/src/kernel/readir.c b/src/kernel/readir.c
index 46737516596eeab9947d25a79c9a4586f039f127..a38c8dec5fc8f14ef7bd7d58012e70ef1b2739f4 100644 (file)
--- a/src/kernel/readir.c
+++ b/src/kernel/readir.c
@@ -828,7 +828,7 @@ void get_ir(const char *mdparin,const char *mdparout,
   CTYPE ("Preprocessor information: use cpp syntax.");
   CTYPE ("e.g.: -I/home/joe/doe -I/home/mary/roe");
   STYPE ("include",    opts->include,  NULL);
-  CTYPE ("e.g.: -DI_Want_Cookies -DMe_Too");
+  CTYPE ("e.g.: -DPOSRES -DFLEXIBLE (note these variable names are case sensitive)");
   STYPE ("define",     opts->define,   NULL);
     
   CCTYPE ("RUN CONTROL PARAMETERS");