Reference configs variable from config help in GN
This wasn't listed as a valid flag in the "gn help config" output.
This also updates the style of the help message for "config" (newlines after headings, no colons).
R=dpranke@chromium.org
Review URL: https://codereview.chromium.org/1510663002
Cr-Original-Commit-Position: refs/heads/master@{#363643}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 90cdb30cd5ddb90618f4dae90579bc8140ea9abb
diff --git a/tools/gn/functions.cc b/tools/gn/functions.cc
index 18fd0b3..5101a41 100644
--- a/tools/gn/functions.cc
+++ b/tools/gn/functions.cc
@@ -261,13 +261,17 @@
" 4. All dependent configs from a breadth-first traversal of the\n"
" dependency tree in the order that the targets appear in \"deps\".\n"
"\n"
- "Variables valid in a config definition:\n"
- CONFIG_VALUES_VARS_HELP
+ "Variables valid in a config definition\n"
"\n"
- "Variables on a target used to apply configs:\n"
+ CONFIG_VALUES_VARS_HELP
+ " Nested configs: configs\n"
+ "\n"
+ "Variables on a target used to apply configs\n"
+ "\n"
" all_dependent_configs, configs, public_configs\n"
"\n"
- "Example:\n"
+ "Example\n"
+ "\n"
" config(\"myconfig\") {\n"
" includes = [ \"include/common\" ]\n"
" defines = [ \"ENABLE_DOOM_MELON\" ]\n"
