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From: Yonghong Zhu <yonghong.zhu@intel.com>
To: edk2-devel@lists.01.org
Cc: Liming Gao <liming.gao@intel.com>,
 Michael Kinney <michael.d.kinney@intel.com>,
 Kevin W Shaw <kevin.w.shaw@intel.com>
Date: Tue, 25 Sep 2018 16:36:50 +0800
Message-Id: <1537864610-10616-1-git-send-email-yonghong.zhu@intel.com>
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Subject: [Patch] Build Spec: Update EBNF of --pcd for String type to at least one char
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Update the '*' in the EBNF to '+' which means in the string there at
least need one char. the case like "" is not supported.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Kevin W Shaw <kevin.w.shaw@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
---
 appendix_d_buildexe_command/d4_usage.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/appendix_d_buildexe_command/d4_usage.md b/appendix_d_buildexe_command/d4_usage.md
index 16c3630..00928f3 100644
--- a/appendix_d_buildexe_command/d4_usage.md
+++ b/appendix_d_buildexe_command/d4_usage.md
@@ -214,12 +214,12 @@ precedence over PCD provided in DSC, FDF, INF, and DEC files.
 <HexNumber>       ::= {"0x"} {"0X"} (a-fA-F0-9){1,16}
 <Boolean>         ::= {<True>} {<False>}
 <True>            ::= {"TRUE"} {"True"} {"true"} {"1"} {"0x1"} {"0x01"}
 <False>           ::= {"FALSE"} {"False"} {"false"} {"0"} {"0x0"} {"0x00"}
 <String>          ::= {<QuotedStr>} {<SglQuotedStr>}
-<QuotedStr>       ::= ["L"] <DblQuote> <PrintChars>* <DblQuote>
-<SglQuotedStr>    ::= ["L"] <DblQuote> "\" <SglQuote> <PrintChars>*
+<QuotedStr>       ::= ["L"] <DblQuote> <PrintChars>+ <DblQuote>
+<SglQuotedStr>    ::= ["L"] <DblQuote> "\" <SglQuote> <PrintChars>+
                       "\" <SglQuote> <DblQuote>
 <PrintChars>      ::= {<TS>} {<CChars>}
 <DblQuote>        ::= 0x22
 <SglQuote>        ::= 0x27
 <CChars>          ::= {0x21} {(0x23 - 0x26)} {(0x28 - 0x5B)} {(0x5D - 0x7E)}
-- 
2.6.1.windows.1